Asking why plants are green is kind of like asking why the sky is blue. You might think plants are green because chlorophyll is green, but the answer isn't so simple. Scientists actually aren't quite sure why plants evolved to be green, but you can hear their most promising theories in the video below. Then, answer more plant questions with the following topics.
Plants Evolved To Be Green. But Why?
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Written by Curiosity Staff March 2, 2017
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