Check your understanding of concepts from 19·1–19·3 Plants defend themselves from herbivores and survive extreme environments by answering the following questions.
1. Flowers or leaves that fold up in response to touch are most likely exhibiting:
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2. Which of the following is not a secondary compound found in plants?
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3. Which of the following is an adaptation for living in very dry habitats?
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4. What is a plausible reason for why cacti and succulents lack leaves?
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5. Desert plants have particular adaptations to help them thrive in extreme conditions. Which of the following is NOT an adaptation one would expect to find in a desert plant?
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