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Plant Responses

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Plant Responses
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Vocabulary

auxin

auxin

Plant growth hormone that controls phototropism.
dormant

dormant

Condition where plants suspend growth and development in order to survive the extreme cold and dryness of winter.
geotropism

geotropism

Growing toward gravity response of a plant.
hormone

hormone

A chemical messenger molecule.
phototropism

phototropism

The growing toward a light source by a plant.
tropism

tropism

Turning by an organism or part of an organism toward or away from an environmental stimulus.

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