Skip to content

Course home

2.1 Principles of organisation
x

Levels of organisation

Levels of organisation

Flowchart showing cell, tissue, organ, organ system, and organism, with a stomach example

Cells are the basic building blocks of all living organisms. A unicellular organism consists of one cell, while a multicellular organism consists of many cells.

2.1 Principles of organisation Lesson

  1. GCSE
  2. /Biology
  3. /2.1 Principles of organisation

Step-by-step lessons covering AQA GCSE Biology 2.1 Principles of organisation for Foundation and Higher tier. Each lesson breaks down 2.1 Principles of organisation, then works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.