Which statement explains why cell differentiation is important?
It increases the number of cells in an organism.
It allows one fertilised egg to produce all the different types of cell an organism needs.
It produces cells that are genetically different from each other.
It allows an organism to reproduce.
163 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.