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Tropism
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Published on Nov 22, 2015
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PRESENTATION OUTLINE
1.
TROPISM
BY:BRYCE DUHON
Photo by
mrwalker
2.
Tropism I
Tropism is the orientation of an organism to an external stimulus
Photo by
mrwalker
3.
POSITIVE
There is a thing called positive tropism. It makes plants grow toward light/water
Photo by
mrwalker
4.
NEGITIVE
It would be a thing that harms a plant like weed killer
Photo by
mrwalker
5.
CHEMOTROPISM
Chemotropism is the plants reaction to chemicals such as fertilizer
Photo by
mrwalker
6.
HYDROTROPISM
Hydrotropism is a plants reaction to water or liquid
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mrwalker
7.
GRAVITROPISM
Is a plants reaction to gravity
It can be positive (towards gravity)
It can be negative(away)
Photo by
mrwalker
Bryce Duhon
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