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What Is Tropism?

Answer»

Tropism is the movement of a plant RESPONSE to a PARTICULAR external stimulus such as gravity or LIGHT which CAUSES the root or stem to bend towards or away from it. If the pull is by gravity, it is geotropism. If it is by light, it is phototropism.

Tropism is the movement of a plant response to a particular external stimulus such as gravity or light which causes the root or stem to bend towards or away from it. If the pull is by gravity, it is geotropism. If it is by light, it is phototropism.



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