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AP Biology/Unit 8: Ecology
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Plant Response to Light Intensity

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Which of the following best describes a physiological mechanism that enables plants to respond to changes in light intensity?

A

They produce bioluminescent compounds to supplement low light conditions

B

They change their leaf color to reflect excess light energy

C

They adjust chlorophyll production and photosynthetic rates to optimize energy capture

D

They alter their root structure to absorb more water in high light conditions

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