33:I[196793,["/_next/static/chunks/3i37-bb_gc2w_.js?dpl=nogit-1792179282","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1792179282","/_next/static/chunks/0z347qy8pf1j3.js?dpl=nogit-1792179282","/_next/static/chunks/02eggfg7vwd9q.js?dpl=nogit-1792179282","/_next/static/chunks/2w4kwgresczw5.js?dpl=nogit-1792179282","/_next/static/chunks/2xa0kylife8l8.js?dpl=nogit-1792179282","/_next/static/chunks/2lsi6eli88uwt.js?dpl=nogit-1792179282","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1792179282","/_next/static/chunks/3nuk25nk7d14i.js?dpl=nogit-1792179282","/_next/static/chunks/11md10s8bxc41.js?dpl=nogit-1792179282","/_next/static/chunks/1j5h__1z96nq5.js?dpl=nogit-1792179282","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1792179282","/_next/static/chunks/0myxz4gywm9of.js?dpl=nogit-1792179282","/_next/static/chunks/2_v9g5x0fx29m.js?dpl=nogit-1792179282","/_next/static/chunks/43foremeik-jk.js?dpl=nogit-1792179282","/_next/static/chunks/230359bhbwn7h.js?dpl=nogit-1792179282","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1792179282","/_next/static/chunks/11kq2otno6-oj.js?dpl=nogit-1792179282","/_next/static/chunks/3v26kz_8xjyfu.js?dpl=nogit-1792179282","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1792179282","/_next/static/chunks/10j6l_dhgof6p.js?dpl=nogit-1792179282","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1792179282","/_next/static/chunks/3_4bswc9ng3be.js?dpl=nogit-1792179282","/_next/static/chunks/3adfywl6-8_k3.js?dpl=nogit-1792179282","/_next/static/chunks/21l8cb-spx64y.js?dpl=nogit-1792179282","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1792179282","/_next/static/chunks/04wg1hnm8knmc.js?dpl=nogit-1792179282","/_next/static/chunks/132xfl2qnmb19.js?dpl=nogit-1792179282","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1792179282","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1792179282","/_next/static/chunks/2p5xv3ji4tpih.js?dpl=nogit-1792179282","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1792179282","/_next/static/chunks/2a2ryz-j6u084.js?dpl=nogit-1792179282","/_next/static/chunks/3zf7j62u5jl5c.js?dpl=nogit-1792179282","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1792179282","/_next/static/chunks/440-1fzzvomu5.js?dpl=nogit-1792179282","/_next/static/chunks/3it1o0ex-l5qz.js?dpl=nogit-1792179282","/_next/static/chunks/0i8v_bvzchj31.js?dpl=nogit-1792179282","/_next/static/chunks/1qmk7x_kcz83j.js?dpl=nogit-1792179282","/_next/static/chunks/1u3eptdza7lch.js?dpl=nogit-1792179282","/_next/static/chunks/2e31ygy8ebm1u.js?dpl=nogit-1792179282","/_next/static/chunks/1w193fj-lcfgs.js?dpl=nogit-1792179282","/_next/static/chunks/3lm048uldjetf.js?dpl=nogit-1792179282","/_next/static/chunks/3ibs-m0_upaf_.js?dpl=nogit-1792179282","/_next/static/chunks/00k10pkv-tsak.js?dpl=nogit-1792179282","/_next/static/chunks/12rdo7yi_xy67.js?dpl=nogit-1792179282","/_next/static/chunks/2mo9ebbh204wz.js?dpl=nogit-1792179282","/_next/static/chunks/3nf2x6twjh_38.js?dpl=nogit-1792179282","/_next/static/chunks/05c0se-tq2ipz.js?dpl=nogit-1792179282","/_next/static/chunks/40mvjd0jr_7d7.js?dpl=nogit-1792179282","/_next/static/chunks/27v_78eh3l1dt.js?dpl=nogit-1792179282","/_next/static/chunks/3l0sm7fu8c2ni.js?dpl=nogit-1792179282","/_next/static/chunks/1hgfhws62t1s5.js?dpl=nogit-1792179282","/_next/static/chunks/2-1ciy1x4js7n.js?dpl=nogit-1792179282","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1792179282","/_next/static/chunks/0g1nv87sz_mxq.js?dpl=nogit-1792179282","/_next/static/chunks/30u3fsn115_1j.js?dpl=nogit-1792179282","/_next/static/chunks/1vjwc_dfj8v1b.js?dpl=nogit-1792179282","/_next/static/chunks/3r8bletse_1-h.js?dpl=nogit-1792179282","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1792179282","/_next/static/chunks/32s6q_rspd3hd.js?dpl=nogit-1792179282"],"Gingerbread"] 35:I[647935,["/_next/static/chunks/3i37-bb_gc2w_.js?dpl=nogit-1792179282","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1792179282","/_next/static/chunks/0z347qy8pf1j3.js?dpl=nogit-1792179282","/_next/static/chunks/02eggfg7vwd9q.js?dpl=nogit-1792179282","/_next/static/chunks/2w4kwgresczw5.js?dpl=nogit-1792179282","/_next/static/chunks/2xa0kylife8l8.js?dpl=nogit-1792179282","/_next/static/chunks/2lsi6eli88uwt.js?dpl=nogit-1792179282","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1792179282","/_next/static/chunks/3nuk25nk7d14i.js?dpl=nogit-1792179282","/_next/static/chunks/11md10s8bxc41.js?dpl=nogit-1792179282","/_next/static/chunks/1j5h__1z96nq5.js?dpl=nogit-1792179282","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1792179282","/_next/static/chunks/0myxz4gywm9of.js?dpl=nogit-1792179282","/_next/static/chunks/2_v9g5x0fx29m.js?dpl=nogit-1792179282","/_next/static/chunks/43foremeik-jk.js?dpl=nogit-1792179282","/_next/static/chunks/230359bhbwn7h.js?dpl=nogit-1792179282","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1792179282","/_next/static/chunks/11kq2otno6-oj.js?dpl=nogit-1792179282","/_next/static/chunks/3v26kz_8xjyfu.js?dpl=nogit-1792179282","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1792179282","/_next/static/chunks/10j6l_dhgof6p.js?dpl=nogit-1792179282","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1792179282","/_next/static/chunks/3_4bswc9ng3be.js?dpl=nogit-1792179282","/_next/static/chunks/3adfywl6-8_k3.js?dpl=nogit-1792179282","/_next/static/chunks/21l8cb-spx64y.js?dpl=nogit-1792179282","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1792179282","/_next/static/chunks/04wg1hnm8knmc.js?dpl=nogit-1792179282","/_next/static/chunks/132xfl2qnmb19.js?dpl=nogit-1792179282","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1792179282","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1792179282","/_next/static/chunks/2p5xv3ji4tpih.js?dpl=nogit-1792179282","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1792179282","/_next/static/chunks/2a2ryz-j6u084.js?dpl=nogit-1792179282","/_next/static/chunks/3zf7j62u5jl5c.js?dpl=nogit-1792179282","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1792179282","/_next/static/chunks/440-1fzzvomu5.js?dpl=nogit-1792179282","/_next/static/chunks/3it1o0ex-l5qz.js?dpl=nogit-1792179282","/_next/static/chunks/0i8v_bvzchj31.js?dpl=nogit-1792179282","/_next/static/chunks/1qmk7x_kcz83j.js?dpl=nogit-1792179282","/_next/static/chunks/1u3eptdza7lch.js?dpl=nogit-1792179282","/_next/static/chunks/2e31ygy8ebm1u.js?dpl=nogit-1792179282","/_next/static/chunks/1w193fj-lcfgs.js?dpl=nogit-1792179282","/_next/static/chunks/3lm048uldjetf.js?dpl=nogit-1792179282","/_next/static/chunks/3ibs-m0_upaf_.js?dpl=nogit-1792179282","/_next/static/chunks/00k10pkv-tsak.js?dpl=nogit-1792179282","/_next/static/chunks/12rdo7yi_xy67.js?dpl=nogit-1792179282","/_next/static/chunks/2mo9ebbh204wz.js?dpl=nogit-1792179282","/_next/static/chunks/3nf2x6twjh_38.js?dpl=nogit-1792179282","/_next/static/chunks/05c0se-tq2ipz.js?dpl=nogit-1792179282","/_next/static/chunks/40mvjd0jr_7d7.js?dpl=nogit-1792179282","/_next/static/chunks/27v_78eh3l1dt.js?dpl=nogit-1792179282","/_next/static/chunks/3l0sm7fu8c2ni.js?dpl=nogit-1792179282","/_next/static/chunks/1hgfhws62t1s5.js?dpl=nogit-1792179282","/_next/static/chunks/2-1ciy1x4js7n.js?dpl=nogit-1792179282","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1792179282","/_next/static/chunks/0g1nv87sz_mxq.js?dpl=nogit-1792179282","/_next/static/chunks/30u3fsn115_1j.js?dpl=nogit-1792179282","/_next/static/chunks/1vjwc_dfj8v1b.js?dpl=nogit-1792179282","/_next/static/chunks/3r8bletse_1-h.js?dpl=nogit-1792179282","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1792179282","/_next/static/chunks/32s6q_rspd3hd.js?dpl=nogit-1792179282"],"RecordResourceResume"] 36:I[830476,["/_next/static/chunks/3i37-bb_gc2w_.js?dpl=nogit-1792179282","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1792179282","/_next/static/chunks/0z347qy8pf1j3.js?dpl=nogit-1792179282","/_next/static/chunks/02eggfg7vwd9q.js?dpl=nogit-1792179282","/_next/static/chunks/2w4kwgresczw5.js?dpl=nogit-1792179282","/_next/static/chunks/2xa0kylife8l8.js?dpl=nogit-1792179282","/_next/static/chunks/2lsi6eli88uwt.js?dpl=nogit-1792179282","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1792179282","/_next/static/chunks/3nuk25nk7d14i.js?dpl=nogit-1792179282","/_next/static/chunks/11md10s8bxc41.js?dpl=nogit-1792179282","/_next/static/chunks/1j5h__1z96nq5.js?dpl=nogit-1792179282","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1792179282","/_next/static/chunks/0myxz4gywm9of.js?dpl=nogit-1792179282","/_next/static/chunks/2_v9g5x0fx29m.js?dpl=nogit-1792179282","/_next/static/chunks/43foremeik-jk.js?dpl=nogit-1792179282","/_next/static/chunks/230359bhbwn7h.js?dpl=nogit-1792179282","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1792179282","/_next/static/chunks/11kq2otno6-oj.js?dpl=nogit-1792179282","/_next/static/chunks/3v26kz_8xjyfu.js?dpl=nogit-1792179282","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1792179282","/_next/static/chunks/10j6l_dhgof6p.js?dpl=nogit-1792179282","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1792179282","/_next/static/chunks/3_4bswc9ng3be.js?dpl=nogit-1792179282","/_next/static/chunks/3adfywl6-8_k3.js?dpl=nogit-1792179282","/_next/static/chunks/21l8cb-spx64y.js?dpl=nogit-1792179282","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1792179282","/_next/static/chunks/04wg1hnm8knmc.js?dpl=nogit-1792179282","/_next/static/chunks/132xfl2qnmb19.js?dpl=nogit-1792179282","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1792179282","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1792179282","/_next/static/chunks/2p5xv3ji4tpih.js?dpl=nogit-1792179282","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1792179282","/_next/static/chunks/2a2ryz-j6u084.js?dpl=nogit-1792179282","/_next/static/chunks/3zf7j62u5jl5c.js?dpl=nogit-1792179282","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1792179282","/_next/static/chunks/440-1fzzvomu5.js?dpl=nogit-1792179282","/_next/static/chunks/3it1o0ex-l5qz.js?dpl=nogit-1792179282","/_next/static/chunks/0i8v_bvzchj31.js?dpl=nogit-1792179282","/_next/static/chunks/1qmk7x_kcz83j.js?dpl=nogit-1792179282","/_next/static/chunks/1u3eptdza7lch.js?dpl=nogit-1792179282","/_next/static/chunks/2e31ygy8ebm1u.js?dpl=nogit-1792179282","/_next/static/chunks/1w193fj-lcfgs.js?dpl=nogit-1792179282","/_next/static/chunks/3lm048uldjetf.js?dpl=nogit-1792179282","/_next/static/chunks/3ibs-m0_upaf_.js?dpl=nogit-1792179282","/_next/static/chunks/00k10pkv-tsak.js?dpl=nogit-1792179282","/_next/static/chunks/12rdo7yi_xy67.js?dpl=nogit-1792179282","/_next/static/chunks/2mo9ebbh204wz.js?dpl=nogit-1792179282","/_next/static/chunks/3nf2x6twjh_38.js?dpl=nogit-1792179282","/_next/static/chunks/05c0se-tq2ipz.js?dpl=nogit-1792179282","/_next/static/chunks/40mvjd0jr_7d7.js?dpl=nogit-1792179282","/_next/static/chunks/27v_78eh3l1dt.js?dpl=nogit-1792179282","/_next/static/chunks/3l0sm7fu8c2ni.js?dpl=nogit-1792179282","/_next/static/chunks/1hgfhws62t1s5.js?dpl=nogit-1792179282","/_next/static/chunks/2-1ciy1x4js7n.js?dpl=nogit-1792179282","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1792179282","/_next/static/chunks/0g1nv87sz_mxq.js?dpl=nogit-1792179282","/_next/static/chunks/30u3fsn115_1j.js?dpl=nogit-1792179282","/_next/static/chunks/1vjwc_dfj8v1b.js?dpl=nogit-1792179282","/_next/static/chunks/3r8bletse_1-h.js?dpl=nogit-1792179282","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1792179282","/_next/static/chunks/32s6q_rspd3hd.js?dpl=nogit-1792179282"],"FlashcardAccessBranch"] 37:I[315438,["/_next/static/chunks/3i37-bb_gc2w_.js?dpl=nogit-1792179282","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1792179282","/_next/static/chunks/0z347qy8pf1j3.js?dpl=nogit-1792179282","/_next/static/chunks/02eggfg7vwd9q.js?dpl=nogit-1792179282","/_next/static/chunks/2w4kwgresczw5.js?dpl=nogit-1792179282","/_next/static/chunks/2xa0kylife8l8.js?dpl=nogit-1792179282","/_next/static/chunks/2lsi6eli88uwt.js?dpl=nogit-1792179282","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1792179282","/_next/static/chunks/3nuk25nk7d14i.js?dpl=nogit-1792179282","/_next/static/chunks/11md10s8bxc41.js?dpl=nogit-1792179282","/_next/static/chunks/1j5h__1z96nq5.js?dpl=nogit-1792179282","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1792179282","/_next/static/chunks/0myxz4gywm9of.js?dpl=nogit-1792179282","/_next/static/chunks/2_v9g5x0fx29m.js?dpl=nogit-1792179282","/_next/static/chunks/43foremeik-jk.js?dpl=nogit-1792179282","/_next/static/chunks/230359bhbwn7h.js?dpl=nogit-1792179282","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1792179282","/_next/static/chunks/11kq2otno6-oj.js?dpl=nogit-1792179282","/_next/static/chunks/3v26kz_8xjyfu.js?dpl=nogit-1792179282","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1792179282","/_next/static/chunks/10j6l_dhgof6p.js?dpl=nogit-1792179282","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1792179282","/_next/static/chunks/3_4bswc9ng3be.js?dpl=nogit-1792179282","/_next/static/chunks/3adfywl6-8_k3.js?dpl=nogit-1792179282","/_next/static/chunks/21l8cb-spx64y.js?dpl=nogit-1792179282","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1792179282","/_next/static/chunks/04wg1hnm8knmc.js?dpl=nogit-1792179282","/_next/static/chunks/132xfl2qnmb19.js?dpl=nogit-1792179282","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1792179282","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1792179282","/_next/static/chunks/2p5xv3ji4tpih.js?dpl=nogit-1792179282","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1792179282","/_next/static/chunks/2a2ryz-j6u084.js?dpl=nogit-1792179282","/_next/static/chunks/3zf7j62u5jl5c.js?dpl=nogit-1792179282","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1792179282","/_next/static/chunks/440-1fzzvomu5.js?dpl=nogit-1792179282","/_next/static/chunks/3it1o0ex-l5qz.js?dpl=nogit-1792179282","/_next/static/chunks/0i8v_bvzchj31.js?dpl=nogit-1792179282","/_next/static/chunks/1qmk7x_kcz83j.js?dpl=nogit-1792179282","/_next/static/chunks/1u3eptdza7lch.js?dpl=nogit-1792179282","/_next/static/chunks/2e31ygy8ebm1u.js?dpl=nogit-1792179282","/_next/static/chunks/1w193fj-lcfgs.js?dpl=nogit-1792179282","/_next/static/chunks/3lm048uldjetf.js?dpl=nogit-1792179282","/_next/static/chunks/3ibs-m0_upaf_.js?dpl=nogit-1792179282","/_next/static/chunks/00k10pkv-tsak.js?dpl=nogit-1792179282","/_next/static/chunks/12rdo7yi_xy67.js?dpl=nogit-1792179282","/_next/static/chunks/2mo9ebbh204wz.js?dpl=nogit-1792179282","/_next/static/chunks/3nf2x6twjh_38.js?dpl=nogit-1792179282","/_next/static/chunks/05c0se-tq2ipz.js?dpl=nogit-1792179282","/_next/static/chunks/40mvjd0jr_7d7.js?dpl=nogit-1792179282","/_next/static/chunks/27v_78eh3l1dt.js?dpl=nogit-1792179282","/_next/static/chunks/3l0sm7fu8c2ni.js?dpl=nogit-1792179282","/_next/static/chunks/1hgfhws62t1s5.js?dpl=nogit-1792179282","/_next/static/chunks/2-1ciy1x4js7n.js?dpl=nogit-1792179282","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1792179282","/_next/static/chunks/0g1nv87sz_mxq.js?dpl=nogit-1792179282","/_next/static/chunks/30u3fsn115_1j.js?dpl=nogit-1792179282","/_next/static/chunks/1vjwc_dfj8v1b.js?dpl=nogit-1792179282","/_next/static/chunks/3r8bletse_1-h.js?dpl=nogit-1792179282","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1792179282","/_next/static/chunks/32s6q_rspd3hd.js?dpl=nogit-1792179282"],"TopicFlashcardRunner"] 24:[["$","$L33",null,{"feature":"flashcards"}],"$L34",["$","$L35",null,{"href":"/gcse/biology/aqa/principles-of-organisation/flashcards","label":"2.1 Principles of organisation","subjectCode":"gcse_biology__aqa","surface":"flashcards"}],["$","$L36",null,{"runner":["$","div",null,{"className":"min-h-0 flex-1 overflow-hidden bg-background","children":["$","$L37",null,{"decks":[{"id":"10526927-f63d-4339-9959-f3647c9daba3","title":"2.1 Principles of organisation Flashcards","topicId":"e95b1025-d4ef-5f1a-909d-8e5d9a9d53e5","topicSlug":"principles-of-organisation","cards":[{"id":"37cb2706-938a-48da-9ff4-47e79030af20","cardType":"cloze","points":null,"front":"Cells are the [ ] of all living organisms.","back":"Cells are the basic building blocks of all living organisms.","mcqOptions":[{"text":"basic building blocks","correct":true,"explanation":"Cells are called the basic building blocks because every living organism is made from one or more cells, which are the smallest units capable of carrying out life processes."},{"text":"chemical reactions","correct":false,"explanation":"Chemical reactions occur inside cells but do not form the structural units of organisms. The correct term is “basic building blocks”, because cells make up all living organisms."},{"text":"organ systems","correct":false,"explanation":"Organ systems are groups of organs and are much larger than cells. The correct term is “basic building blocks”, describing cells as the fundamental units of living organisms."},{"text":"specialised tissues","correct":false,"explanation":"Specialised tissues are groups of similar cells with a shared function, so they are larger organisational units. The correct term is “basic building blocks”, referring to individual cells."}]},{"id":"b7e7f65a-6c4f-4224-926f-977d68af10d1","cardType":"basic","points":3,"front":"How do unicellular and multicellular organisms differ?","back":"

Unicellular: made of one cell
Multicellular: made of many cells

","mcqOptions":[{"text":"

Unicellular: made of one cell
Multicellular: made of many cells

","correct":true,"explanation":"A unicellular organism consists of one cell, while a multicellular organism consists of many cells. In multicellular organisms, cells can become specialised for different functions."},{"text":"

Unicellular: made of many cells
Multicellular: made of one cell

","correct":false,"explanation":"The definitions have been reversed: unicellular means one cell and multicellular means many cells. The number of cells, rather than their size, distinguishes these two types of organism."},{"text":"

Unicellular: has no nucleus
Multicellular: has a nucleus

","correct":false,"explanation":"Having a nucleus does not distinguish unicellular from multicellular organisms, since some unicellular cells have nuclei. The correct distinction is one cell versus many cells."},{"text":"

Unicellular: has one tissue
Multicellular: has many organs

","correct":false,"explanation":"Tissues and organs are not used to define unicellular organisms. The correct comparison is that unicellular organisms have one cell, whereas multicellular organisms have many cells."}]},{"id":"c75bfa00-9c9a-4a2f-b1b8-5c42c11fca57","cardType":"cloze","points":null,"front":"During development, cells [ ] to become specialised for particular jobs.","back":"During development, cells differentiate to become specialised for particular jobs.","mcqOptions":[{"text":"differentiate","correct":true,"explanation":"Differentiation is the process in which an unspecialised cell changes to develop features that allow it to perform a particular function."},{"text":"reproduce","correct":false,"explanation":"Reproduction produces new cells or organisms, but it does not describe cells becoming specialised. The correct process is differentiation, which gives cells particular structures and functions."},{"text":"respire","correct":false,"explanation":"Respiration releases energy from glucose and occurs in cells, but it does not make them specialised. The correct term is differentiate, meaning to become adapted for a particular job."},{"text":"digest","correct":false,"explanation":"Digestion breaks large food molecules into smaller soluble molecules and is not the process of cell specialisation. Cells differentiate during development to become suited to particular jobs."}]},{"id":"2ed9b2f9-9719-4767-b38f-39f5e7dc5471","cardType":"basic","points":3,"front":"Arrange the levels of organisation from smallest to largest.","back":"Cell → tissue → organ → organ system → organism","mcqOptions":[{"text":"Cell → tissue → organ → organ system → organism","correct":true,"explanation":"Organisation increases from cells to tissues, organs, organ systems and finally the whole organism. Each level is built from the level before it."},{"text":"Cell → organ → tissue → organ system → organism","correct":false,"explanation":"A tissue is a group of similar cells and therefore comes before an organ. The correct order is cell, tissue, organ, organ system, then organism."},{"text":"Organism → organ system → organ → tissue → cell","correct":false,"explanation":"This lists the levels from largest to smallest, opposite to the requested order. From smallest to largest, the sequence begins with a cell and ends with an organism."},{"text":"Cell → organ system → tissue → organ → organism","correct":false,"explanation":"An organ system contains several organs, so it must come after organs rather than directly after a cell. The correct sequence places tissue and organ before organ system."}]},{"id":"6534507f-cf65-44ae-8b42-547938231e99","cardType":"basic","points":3,"front":"How does a tissue differ from an organ?","back":"

Tissue: similar cells working together
Organ: different tissues working together

","mcqOptions":[{"text":"

Tissue: similar cells working together
Organ: different tissues working together

","correct":true,"explanation":"A tissue is formed from similar cells working together, whereas an organ contains different tissues coordinated to perform a particular function."},{"text":"

Tissue: different organs working together
Organ: similar cells working together

","correct":false,"explanation":"The definitions are reversed and the first describes an organ system. The correct answer is similar cells forming a tissue and different tissues forming an organ."},{"text":"

Tissue: one specialised cell
Organ: many organisms working together

","correct":false,"explanation":"A tissue contains a group of cells, not one cell, and an organ does not contain whole organisms. The correct distinction is similar cells versus different tissues."},{"text":"

Tissue: many organ systems working together
Organ: one type of cell only

","correct":false,"explanation":"Many organ systems working together make an organism, while an organ usually contains several tissue types. The correct definitions distinguish groups of similar cells from groups of tissues."}]},{"id":"aa8938fd-cef2-453b-b7ae-6bdbb9bdbd77","cardType":"basic","points":2,"front":"How does muscular tissue bring about movement?","back":"It contracts to produce movement.","mcqOptions":[{"text":"It contracts to produce movement.","correct":true,"explanation":"Muscular tissue produces movement by contracting, meaning its cells shorten and generate a pulling force on attached structures."},{"text":"It relaxes to produce movement.","correct":false,"explanation":"Relaxation allows a muscle to lengthen after contraction but does not provide the main force for movement. Muscular tissue brings about movement by contracting."},{"text":"It secretes enzymes to produce movement.","correct":false,"explanation":"Enzyme secretion is associated with glandular tissue and digestion, not the mechanism of muscular movement. Muscular tissue produces movement when its cells contract."},{"text":"It absorbs nutrients to produce movement.","correct":false,"explanation":"Nutrient absorption is mainly a function of the small intestine's epithelial tissue. Muscular tissue causes movement through contraction, rather than by absorbing substances."}]},{"id":"35c4e413-d0fb-4eb6-b567-3c544fe08ac1","cardType":"cloze","points":null,"front":"Glandular tissue contains secretory cells that [ ], such as enzymes and hormones.","back":"Glandular tissue contains secretory cells that make and release substances, such as enzymes and hormones.","mcqOptions":[{"text":"make and release substances","correct":true,"explanation":"Secretory cells in glandular tissue produce substances and release them, including digestive enzymes and hormones that carry out important functions in the body."},{"text":"absorb and store nutrients","correct":false,"explanation":"Absorbing nutrients is mainly associated with specialised epithelial cells in the small intestine. Glandular tissue makes and releases substances such as enzymes and hormones."},{"text":"contract and generate movement","correct":false,"explanation":"Contraction is the characteristic function of muscular tissue, not glandular tissue. Secretory cells make and release substances, including enzymes and hormones."},{"text":"filter and exchange gases","correct":false,"explanation":"Filtering and gas exchange are functions of particular epithelial surfaces, especially in the respiratory system. Glandular secretory cells make and release substances."}]},{"id":"87aedab1-8c0c-4924-b2cd-22940eae0cce","cardType":"basic","points":3,"front":"What surfaces does epithelial tissue cover?","back":"

Covers the body's outside
Lines internal organs

","mcqOptions":[{"text":"

Covers the body's outside
Lines internal organs

","correct":true,"explanation":"Epithelial tissue forms protective coverings on the body's outer surface and lines internal organs and body spaces."},{"text":"

Contracts the body's outside
Digests internal organs

","correct":false,"explanation":"Contraction is a function of muscular tissue, and epithelial tissue does not digest internal organs. Epithelial tissue covers the outside and lines internal organs."},{"text":"

Secretes the body's outside
Absorbs internal organs

","correct":false,"explanation":"Some epithelial cells secrete or absorb substances, but these are not the general surfaces described here. Epithelial tissue covers the body's outside and lines internal organs."},{"text":"

Supports the body's outside
Moves internal organs

","correct":false,"explanation":"Support and movement are not the defining roles of epithelial tissue. Its key arrangement is a covering on the body's outside and a lining around internal organs."}]},{"id":"3f5d0a33-d821-4636-bb88-b964dcf5b453","cardType":"basic","points":2,"front":"How does muscular tissue help the stomach digest food?","back":"It contracts, churning food and mixing it with digestive juices.","mcqOptions":[{"text":"It contracts, churning food and mixing it with digestive juices.","correct":true,"explanation":"Muscular tissue in the stomach contracts rhythmically, churning the food and mixing it with digestive juices so digestion can occur more effectively."},{"text":"It relaxes, churning food and mixing it with digestive juices.","correct":false,"explanation":"Relaxation alone does not generate the force needed to churn food. Stomach muscles contract to mix food with digestive juices and help digestion."},{"text":"It secretes hormones, churning food and mixing it with digestive juices.","correct":false,"explanation":"Hormone secretion is a glandular function and does not physically churn food. Muscular tissue helps the stomach digest food by contracting rhythmically."},{"text":"It absorbs nutrients, churning food and mixing it with digestive juices.","correct":false,"explanation":"Nutrient absorption occurs mainly in the small intestine, not through stomach muscle. Stomach muscular tissue contracts to churn and mix its contents."}]},{"id":"25eb16a1-b89c-4f03-8a45-e5d91589a73f","cardType":"basic","points":2,"front":"What is the role of glandular tissue in the stomach?","back":"It makes digestive juices that break down food.","mcqOptions":[{"text":"It makes digestive juices that break down food.","correct":true,"explanation":"Glandular tissue in the stomach produces and releases digestive juices containing substances that help chemically break down food."},{"text":"It makes hormones that break down food.","correct":false,"explanation":"Hormones act as chemical messengers and do not directly break down food in the stomach. Glandular tissue makes digestive juices containing digestive substances."},{"text":"It makes muscle fibres that break down food.","correct":false,"explanation":"Muscle fibres produce movement rather than chemically digesting food. The stomach's glandular tissue makes digestive juices that help break food down."},{"text":"It makes nutrients that break down food.","correct":false,"explanation":"Nutrients are the useful products released when food is digested, not substances that digest it. Glandular tissue makes digestive juices for breaking down food."}]},{"id":"cfd128f0-b03b-44e1-8105-1a520f5feb62","cardType":"basic","points":2,"front":"What is the role of epithelial tissue in the stomach?","back":"It covers the stomach's inside and outside.","mcqOptions":[{"text":"It covers the stomach's inside and outside.","correct":true,"explanation":"Epithelial tissue forms the protective lining on the inside of the stomach and also covers its outer surface."},{"text":"It contracts the stomach's inside and outside.","correct":false,"explanation":"Contraction is carried out by muscular tissue in the stomach wall, not epithelial tissue. Epithelial tissue covers the stomach's inner and outer surfaces."},{"text":"It secretes the stomach's inside and outside.","correct":false,"explanation":"Some specialised epithelial cells can secrete substances, but the role asked about here is surface coverage. Epithelial tissue covers the stomach's inside and outside."},{"text":"It digests the stomach's inside and outside.","correct":false,"explanation":"Epithelial tissue does not digest the stomach surfaces. Its role is to cover them, while glandular tissue produces digestive juices and muscular tissue churns food."}]},{"id":"f1b738d0-d374-432f-ae69-b0a238941fb1","cardType":"basic","points":2,"front":"How does the pancreas help control blood sugar?","back":"It makes hormones that control blood sugar.","mcqOptions":[{"text":"It makes hormones that control blood sugar.","correct":true,"explanation":"The pancreas produces hormones, including insulin and glucagon, which help regulate the concentration of glucose in the blood."},{"text":"It makes enzymes that control blood sugar.","correct":false,"explanation":"Pancreatic enzymes help digest food, but they do not regulate blood glucose concentration. The pancreas controls blood sugar by producing hormones such as insulin and glucagon."},{"text":"It makes digestive juices that control blood sugar.","correct":false,"explanation":"Digestive juices support food digestion rather than directly controlling blood sugar. Hormones released by the pancreas regulate blood glucose levels."},{"text":"It makes nutrients that control blood sugar.","correct":false,"explanation":"Nutrients are absorbed from digested food and are not made by the pancreas to regulate glucose. Pancreatic hormones control blood sugar concentration."}]},{"id":"3ef93188-5e39-44f0-9d16-8f0ac7bb291a","cardType":"basic","points":2,"front":"How does the pancreas help digest food?","back":"It makes enzymes that digest food.","mcqOptions":[{"text":"It makes enzymes that digest food.","correct":true,"explanation":"The pancreas produces digestive enzymes that are released into the digestive system, where they break large food molecules into smaller soluble molecules."},{"text":"It makes hormones that digest food.","correct":false,"explanation":"Hormones regulate processes such as blood sugar control, but they do not digest food. The pancreas helps digestion by producing digestive enzymes."},{"text":"It makes nutrients that digest food.","correct":false,"explanation":"Nutrients are products of digestion rather than substances that digest food. Pancreatic enzymes break food molecules down during digestion."},{"text":"It makes muscle fibres that digest food.","correct":false,"explanation":"Muscle fibres can move and churn food but cannot chemically digest it. The pancreas contributes digestive enzymes that chemically break down food."}]},{"id":"cd62f65c-8a0b-4b4e-b5f0-c4363d2bf11e","cardType":"basic","points":1,"front":"What does the digestive system provide to the body?","back":"It provides the body with nutrients from broken-down food.","mcqOptions":[{"text":"It provides the body with nutrients from broken-down food.","correct":true,"explanation":"The digestive system breaks food into small soluble molecules, allowing nutrients to be absorbed and supplied to body cells."},{"text":"It provides the body with oxygen from broken-down food.","correct":false,"explanation":"Oxygen is supplied by the respiratory system, not produced from digested food. The digestive system provides nutrients by breaking food down and absorbing them."},{"text":"It provides the body with hormones from broken-down food.","correct":false,"explanation":"Hormones are chemical messengers made by glands, not the main products absorbed from digested food. The digestive system supplies nutrients to the body."},{"text":"It provides the body with carbon dioxide from broken-down food.","correct":false,"explanation":"Carbon dioxide is a waste product of respiration and is removed by the respiratory system. Digestion provides nutrients from broken-down food."}]},{"id":"4cdb4f40-d518-405b-a4b5-d79ab4454403","cardType":"basic","points":1,"front":"Which two organs from the notes work together in the digestive system?","back":"The stomach and small intestine.","mcqOptions":[{"text":"The stomach and small intestine.","correct":true,"explanation":"The stomach and small intestine work together during digestion: the stomach churns and begins digesting food, while the small intestine completes digestion and absorbs nutrients."},{"text":"The lungs and small intestine.","correct":false,"explanation":"The lungs belong to the respiratory system and exchange gases, rather than working as the digestive pair described. The correct organs are the stomach and small intestine."},{"text":"The pancreas and lungs.","correct":false,"explanation":"The pancreas contributes to digestion, but the lungs are part of the respiratory system. The two digestive organs identified in the notes are the stomach and small intestine."},{"text":"The heart and stomach.","correct":false,"explanation":"The heart circulates blood and is not one of the paired digestive organs in the notes. The correct pair is the stomach and small intestine."}]},{"id":"2d8e9ca4-9b2f-42b6-bcf8-f1305a7d6d15","cardType":"cloze","points":null,"front":"The respiratory system provides the body with [ ] and removes carbon dioxide.","back":"The respiratory system provides the body with oxygen and removes carbon dioxide.","mcqOptions":[{"text":"oxygen","correct":true,"explanation":"The respiratory system takes oxygen into the body for aerobic respiration and removes carbon dioxide produced as a waste product of respiration."},{"text":"glucose","correct":false,"explanation":"Glucose is obtained from digested carbohydrates and is used in respiration, but the respiratory system does not provide it. It provides oxygen and removes carbon dioxide."},{"text":"nutrients","correct":false,"explanation":"Nutrients are supplied by the digestive system after food is broken down and absorbed. The respiratory system specifically provides oxygen for respiration."},{"text":"water","correct":false,"explanation":"Water can enter the body through drinking and food and is not the gas supplied by the respiratory system. The correct term is oxygen, needed for aerobic respiration."}]},{"id":"2328a167-5d06-43e1-923a-38ba63aaf5c2","cardType":"cloze","points":null,"front":"The respiratory system provides the body with oxygen and removes [ ].","back":"The respiratory system provides the body with oxygen and removes carbon dioxide.","mcqOptions":[{"text":"carbon dioxide","correct":true,"explanation":"Respiration produces carbon dioxide as a waste product, so the respiratory system removes it from the body during exhalation while supplying oxygen for aerobic respiration."},{"text":"oxygen","correct":false,"explanation":"Oxygen is taken into the body by the respiratory system and used in aerobic respiration. The gas removed as a respiratory waste product is carbon dioxide."},{"text":"nitrogen","correct":false,"explanation":"Nitrogen is the most abundant gas in air but is not produced as a waste product of respiration. The respiratory system removes carbon dioxide from the body."},{"text":"water vapour","correct":false,"explanation":"Water vapour can be lost in exhaled air, but it is not the main waste gas named here. Respiration produces carbon dioxide, which the lungs remove."}]},{"id":"ae157cd1-6b99-4f0e-9e66-86bde504e2d7","cardType":"basic","points":2,"front":"How does the circulatory system transport dissolved materials?","back":"It carries them quickly around the body in the blood.","mcqOptions":[{"text":"It carries them quickly around the body in the blood.","correct":true,"explanation":"The circulatory system transports dissolved substances in the blood, allowing materials such as glucose, oxygen, hormones and urea to move quickly around the body."},{"text":"It carries them slowly around the body in the lymph.","correct":false,"explanation":"Lymph transports some fluid and immune cells, but the circulatory system mainly uses blood to distribute dissolved materials quickly. Confusing lymph with blood gives the wrong transport system."},{"text":"It carries them directly between cells through the tissues.","correct":false,"explanation":"Diffusion through tissues is limited to short distances and cannot efficiently transport materials around the body. The circulatory system carries dissolved substances in blood."},{"text":"It carries them through the airways into every organ.","correct":false,"explanation":"The airways transport gases to and from the lungs, not dissolved materials to all organs. Blood is the transport medium used by the circulatory system."}]},{"id":"63702742-b535-4828-945e-2e2523793b92","cardType":"cloze","points":null,"front":"Many similar palisade cells together form [ ].","back":"Many similar palisade cells together form palisade tissue.","mcqOptions":[{"text":"palisade tissue","correct":true,"explanation":"A tissue is a group of similar cells working together for a particular function. Therefore, many similar palisade cells form palisade tissue, specialised for photosynthesis."},{"text":"epidermal tissue","correct":false,"explanation":"Epidermal tissue forms the protective outer layer of a leaf and is made from epidermal cells. Similar palisade cells instead form palisade tissue for photosynthesis."},{"text":"spongy mesophyll","correct":false,"explanation":"Spongy mesophyll is a different leaf tissue containing loosely arranged cells and air spaces. Palisade cells are tightly packed and form palisade tissue."},{"text":"vascular tissue","correct":false,"explanation":"Vascular tissue consists of xylem and phloem, which transport water, minerals and sugars. Palisade cells have a photosynthetic role and form palisade tissue."}]},{"id":"c12ac961-08d2-4d29-973f-e168548ac2e0","cardType":"basic","points":2,"front":"Why is a leaf an organ rather than a tissue?","back":"It contains several different tissues working together.","mcqOptions":[{"text":"It contains several different tissues working together.","correct":true,"explanation":"An organ is made from several different tissues working together to perform functions. A leaf contains tissues such as palisade, spongy mesophyll, epidermal and vascular tissue."},{"text":"It contains one type of cell working independently.","correct":false,"explanation":"A tissue is a group of similar cells, whereas an organ contains several tissue types. A leaf is therefore classified as an organ because its tissues work together."},{"text":"It contains several organs working together.","correct":false,"explanation":"A group of organs working together forms an organ system, not an individual organ. A leaf is an organ because it contains different tissues with specialised roles."},{"text":"It contains one tissue with several functions working alone.","correct":false,"explanation":"A tissue is not defined by having several functions alone, and a leaf contains multiple tissue types. Their coordinated roles make the leaf an organ."}]},{"id":"eb62cf00-e02a-49c2-b33f-806af9d1db8c","cardType":"basic","points":3,"front":"Which plant organs together make up the whole plant?","back":"Leaves, stems and roots.","mcqOptions":[{"text":"Leaves, stems and roots.","correct":true,"explanation":"Leaves, stems and roots are the main plant organs. Together they carry out functions including photosynthesis, transport, support, anchorage and absorption, making up the whole plant."},{"text":"Flowers, fruits and seeds.","correct":false,"explanation":"Flowers, fruits and seeds are reproductive structures found in many plants, but they do not represent the complete plant body. Leaves, stems and roots make up the whole plant."},{"text":"Palisade cells, guard cells and root hair cells.","correct":false,"explanation":"These are specialised cell types rather than plant organs. The whole plant is made from organs, specifically leaves, stems and roots."},{"text":"Xylem, phloem and epidermis.","correct":false,"explanation":"Xylem, phloem and epidermis are tissues within plant organs, not the organs themselves. The main organs that together form the plant are leaves, stems and roots."}]}]}],"examCountdown":{"examDate":"2027-05-11","paperLabel":"Paper 1"},"heading":"2.1 Principles of organisation","title":"2.1 Principles of organisation Flashcards","topbar":{"backHref":"/gcse/biology/aqa/flashcards"},"topicSidebar":"$L38"}]}],"topicId":"e95b1025-d4ef-5f1a-909d-8e5d9a9d53e5","walled":"$L39"}],"$L3a","$L3b"]