Why do cells in a multicellular organism become specialised?
So that different groups of cells can carry out different functions
So that every single cell in the organism can carry out all functions
So that the organism is able to grow larger than a single-celled one
So that each cell is able to survive on its own if the organism dies
19 exam-style questions on AQA GCSE Biology 2.1 Principles of organisation, covering 2.1 Principles of organisation. Each one has a worked solution and a mark scheme showing where the marks go.