A student is reading a book in a dimly lit room. She then looks up at a distant tree through a window on a sunny day.
Explain how the structures in her eye allow her to see clearly in both situations.
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Markscheme
2.4 The eye Questions
42 exam-style questions on Edexcel GCSE Biology 2.4 The eye, covering 2.4.1 Structure and function of the eye and 2.4.2 Eye defects and their correction. Each one has a worked solution and a mark scheme showing where the marks go.