A2 AQA Biology
Overview
Lesson allocation tba
1. Populations… This and section 7 to be taught during the summer term after AS study
leave.
Populations and Ecosystems
Investigating populations
Variation in population size
Competition
Predation
Human populations
2.
ATP
Energy and ATP
3.
Photosynthesis
Overview of photosynthesis
The light-dependent reaction
The light – Independent reaction
Factors affecting photosynthesis
4. Respiration
Glycolysis
Link reaction and Kreb’s cycle
Electron transport chain
Anaerobic respiration
5. Energy and Ecosystems
Food chains and food webs
Energy transfer between trophic levels
Ecological pyramids
Agricultural systems
Chemical and biological control of agricultural pests
Intensive rearing of domestic livestock
6. Nutrient cycles
The carbon cycle
The greenhouse effect and global warming
The nitrogen cycle
Use of natural and artificial fertilisers
Environmental consequences of using nitrogen fertilisers
7. Ecological succession
Succession
Conservation of habitats
8. Inheritance and selection
Studying inheritance
Monohybrid inheritance
Sex inheritance and sex linkage
Co-dominance and multiple alleles
Allelic frequencies and population genetics
Selection
Speciation