Amoeba is a unicellular organism. Which statement about Amoeba is correct?
It has no tissues, because all of its functions happen in one cell
It has no organs, because its tissues are too small to be seen
It has tissues but no organs, because all of its cells are similar
It has organs but no organ systems, because it is only one cell
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.