This topic is included in Paper 1 and Paper 2 (Foundation) or Paper 3 and Paper 4 (Higher) for GCSE OCR (B) Biology.
Questions by Topic:
- B3.1 What happens during photosynthesis (F)
- B3.1 What happens during photosynthesis (H)
- B3.2 How do producers get the substances they need (F)
- B3.2 How do producers get the substances they need (H)
- B3.3 How are organisms in an ecosystem interdependent (F)
- B3.3 How are organisms in an ecosystem interdependent (H)
- B3.4 How are populations affected by conditions in an ecosystem (F)
- B3.4 How are populations affected by conditions in an ecosystem (H)