B3

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• 2. What is the eye an example of? (1, 5, 5)
• 3. Which type of neurone transmits a signal from the central nervous system to an effector, such as a muscle? (5, 8)
• 4. According to Darwin's theory of evolution, how do new species evolve? (2, 7, 9)
• 5. How are hormones transported around the body? (2, 3, 11)
• 6. What type of variation is inherited? (7, 9)