1 A2/A-level Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level SubjectClear filter Biology Exam board AQA TopicClear filter Control in cells and organisms Resources Crossword Flashcards Multi-tool Quizsearch AQA Unit 5 Biology A2/A-level, Biology 70 flashcards Search again