Why do plants need green light specifically? Could plants theoretically photosynthesize different wavelengths? Thank you for reading and have a good day.
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It’s backwards. Plants appear green because they *reflect* green light, meaning, they don’t use it as much as they use other colored light (red, blue mainly). Why don’t they use all of the green light? That’s open for debate. It could be that evolution just happened to deliver a molecule – chlorophyll – that was damn good at the job of absorbing light, but still only got 90% of the green light.
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