What you'll learn
How plants and animals obtain nutrients.
Key ideas
- Photosynthesis, chlorophyll and limiting factors.
- Human digestion: enzymes (amylase, protease, lipase); absorption in the small intestine.
Exam tips
- Learn the photosynthesis equation.
- Match enzymes to food groups.
Common mistakes
- Forgetting light for photosynthesis.
- Confusing the enzymes.