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New page: A '''tropism''' is a movement or growth in a plant that is a response to a stimulus. It differs from a taxis, which implies motility, or independent movement. Common tropisms incl...
A '''tropism''' is a movement or growth in a plant that is a response to a stimulus. It differs from a [[taxis]], which implies [[motility]], or independent movement. Common tropisms include phototropism, which is a response to light, and heliotropism, in which portions of plants such as leaves and flowers turn toward the [[sun]].

==References==
http://plantsinmotion.bio.indiana.edu/plantmotion/movements/tropism/tropisms.html


[[Category:Biology]]
[[Category:Botany]]
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