In a woodland, caterpillars feed on hazel leaves. Blue tits feed on the caterpillars.
A blue tit does not eat the hazel leaves. Explain why its growth can still depend on photosynthesis in the hazel plants.
87 exam-style questions on Edexcel GCSE Biology 6.1 Photosynthesis, covering 6.1.1 Photosynthetic organisms as producers, 6.1.2a Limiting factors on the rate of photosynthesis, 6.1.2b Interactions of limiting factors on photosynthesis, and 6.1.3 Inverse square law and light intensity. Each one has a worked solution and a mark scheme showing where the marks go.