✅ WJEC A2 [Unit 3]

Module 1 1. Importance of ATP
Topic 1 ⚙️ Aerobic respiration and photosynthesis: ATP production  
Module 2 2. Photosynthesis uses light energy to synthesise organic molecules
Topic 1 ☘️ Photosynthesis  
Topic 2 Light-Dependent Reaction  
Topic 3 Light-Independent Reaction  
Topic 4 Limiting factors in photosynthesis  
Topic 5 Fertilisers  
Module 3 3. Respiration releases chemical energy in biological processes
Topic 1 ⚡ Glycolysis and the Krebs cycle  
Topic 2 Lipids and amino acids in respiration  
Module 4 4. Microbiology
Topic 1 Bacterial classification  
Topic 2 Culturing microorganisms  
Topic 3 Optimising and analysing growth  
Module 5 5. Population size and ecosystems
Topic 1 Population growth  
Topic 2 Sampling Organisms  
Topic 3 Ecosystems  
Topic 4 Biomass transfer  
Topic 5 Succession  
Topic 6 Nutrient cycles  
Topic 7 Carbon Cycle  
Topic 8 Nitrogen cycle  
Module 6 6. Human impact on the environment
Topic 1 ⚱️ Species Extinction  
Topic 2 Gene pool conservation  
Topic 3 Agriculture  
Topic 4 Politics and the environment  
Topic 5 ⚠️ Planetary boundaries  
Module 7 7. Homeostasis and the kidney
Topic 1 ⚖️ Homeostasis and negative feedback  
Topic 2 Mammalian kidney structure and function  
Topic 3 Kidney failure  
Module 8 8. The nervous system
Topic 1 Response to stimuli and the spinal cord  
Topic 2 ⚡ Nerve impulses and the motor neurone  
Topic 3 ⛓️ Synapse  

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