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Control and Coordination
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12/10/2021 6:26 pm
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(a) What does a stem (or shoot) do in response to gravity? What is this phenomenon known as?
(b) What does a root do in response to light? What is this phenomenon known as?
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12/10/2021 6:27 pm
(a) Stem grows upward against the direction of gravity; negative geotropism.
(b) Root bends away from light; negative phototropism.