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Course: Content items for courses > Unit 3

Lesson 3: Big Idea 2: Biological systems utilize free energy and molecular building blocks to grow, to reproduce and to maintain dynamic homeostasis.
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Studying for the AP Biology exam?
Big Idea 2: Biological systems utilize free energy and molecular building blocks to grow, to reproduce and to maintain dynamic homeostasis.
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EU 2.E - Mechanisms of regulation

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Problem

Many garden vegetables, such as lettuce or spinach, are long-day plants that bloom in the summer.
Which of the following statements accurately describes the conditions required for long-day plants to flower?
Choose 1 answer:
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