overgrazing) B1\n- Explains the primary mechanism of degradation caused by the human activity (e.g. removal of vegetation cover, soil compaction, or canopy clearance) M1\n- Establishes a clear cause-and-effect link between the human activity and environmental consequences (e.g. lack of roots leading to wind/water soil erosion, or habitat fragmentation leading to biodiversity loss) A1\n- Provides a detailed and well-structured explanation using appropriate geographical vocabulary and precise locational detail C1","marks":5,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"2182b822-f7e5-4b26-868e-c9866c3cfaea","revisionId":"94d19df6-5e34-4da1-ad9a-f24470b68882","questionNumber":null,"questionType":"LA","specification":"","difficulty":4,"difficultyBand":"medium","totalMarks":4,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"5db8fb2d-c2e4-43cb-ac68-62e59c3db79f","label":null,"content":"Outline two reasons why levels of biodiversity vary between different global ecosystems.","markscheme":"- Identifies a first valid factor (e.g. climate/solar energy, human impact, structural complexity of vegetation, environmental stability) M1\n- Provides a developed explanation for how this first factor affects biodiversity (e.g. higher heat and moisture scale up primary productivity, fragmentation reduces available niches, multiple canopy layers create distinct microhabitats, or stable conditions allow adaptation/evolution without extinction) A1\n- Identifies a second valid factor M1\n- Provides a developed explanation for how this second factor affects biodiversity A1","marks":4,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null}],"subjectCode":"igcse_geography","summaries":[{"id":"027eee50-8c96-4bd5-a96f-2cd935daf2e8","difficultyBand":"hard","calculatorUse":null,"totalMarks":6},{"id":"050c7a78-6c14-49a6-9e1e-2803cff13ae5","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"094529a0-fcdd-4598-bdb3-7fd45d1a1fb4","difficultyBand":"hard","calculatorUse":null,"totalMarks":9},{"id":"0998a417-8dd3-4a41-b377-65ce42f39456","difficultyBand":"easy","calculatorUse":null,"totalMarks":1},{"id":"0d1ecce5-2283-45ca-8df5-6bf69448cb3f","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"0e10f6b8-69a8-4e2f-a6f6-f1a2e5385fbd","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"11d11ec5-fc31-446c-b569-2270c7c864a3","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"1234861e-8c60-416e-91de-abbb09e2b7bd","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"130b8232-1b87-4bfd-a7a7-8c9619e132c0","difficultyBand":"easy","calculatorUse":null,"totalMarks":1},{"id":"1550db20-1ee8-4507-a9f2-107bff0b8e4f","difficultyBand":"medium","calculatorUse":null,"totalMarks":4},{"id":"167ec26a-2df8-4e0a-b31e-ab78934a5af3","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"17e4f8bf-ad12-4634-94a9-9daab5db7ca3","difficultyBand":"easy","calculatorUse":null,"totalMarks":1},{"id":"198697bf-8e33-47ab-941b-666186f07f55","difficultyBand":"hard","calculatorUse":null,"totalMarks":9},{"id":"19bc9750-4fa4-4a8e-98d8-9f2f1a202a27","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"1d3ef17e-4aaf-4f04-a91f-1220fd65bd3f","difficultyBand":"easy","calculatorUse":null,"totalMarks":1},{"id":"206a3722-2b30-44eb-86c8-a50d28faf67b","difficultyBand":"medium","calculatorUse":null,"totalMarks":5},{"id":"2182b822-f7e5-4b26-868e-c9866c3cfaea","difficultyBand":"medium","calculatorUse":null,"totalMarks":4},{"id":"2543c478-de23-468c-8329-3a0b8f6f27d7","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"290c5bf7-1d52-4ecd-8c3d-59a4b769d05f","difficultyBand":"easy","calculatorUse":null,"totalMarks":1},{"id":"29c333a6-138c-4b3a-9cdb-edd2d8b73b56","difficultyBand":"easy","calculatorUse":null,"totalMarks":

Fragile environments and climate change

Question 2

Fragile environments and climate change Questions

Fragile environments and climate change

Question 2

Fragile environments and climate change Questions