Check your understanding of concepts from 9·1–9·4 Behaviors are traits that can evolve by answering the following questions.
1. When a goose spots an egg outside of its nest, the goose gets out of the nest and rolls the egg back. Once started, a goose continues the egg-retrieval movement all the way back to the nest, even if the egg is taken away during the process. This is called:
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2. Why do human taste preferences exist?
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3. Select the best physiological explanation for modern human preference for fatty foods.
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4. Which of the following are correct statements about fixed action patterns?
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5. Which of the following is NOT a topic in animal behavior?
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