Homeostasis and response: 20 lessons: Homeostasis, The human nervous system, Hormonal coordination in humans
Inheritance, variation and evolution: 33 lessons: Reproduction, Variation and evolution, The development of understanding of genetics and evolution, Classification of living organisms
Ecology: 26 lessons: Adaptations, interdependence and competition, Organisation of an ecosystem, Biodiversity and the effect of human interaction on ecosystems
How do I know GCSE AQA Higher Combined Science Biology is my course?
Check the level, exam board and tier with your teacher, or look at the front of a past paper you have been given. Content differs between boards, so it is worth getting this right first.
Where should I start?
Start with the topic you find hardest, or the one your next test is on. Read a lesson, then close it and write down what you remember before moving on.