Tropisms by Cierra Williams

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Slide Notes

Tropisms

Published on Nov 22, 2015

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PRESENTATION OUTLINE

TROPISMS

EXAMPLE BY CIERRA WILLIAMS

Photo by -nanio-

TROPISM

Tropism is the way a plant turns I'm a specific direction responding to an external stimulus.

Photo by harold.lloyd

POSITIVE AND NEGATIVE TROPISM

Positive(growing towards)
Negative(growing away)
Stimuli(more than one)
Stimulus(only one)

Photo by Luke,Ma

GRAVITROPISM

The plants movement in response to gravity

Photo by Taraji Blue

CHEMOTROPISM

The plants movement in response to chemicals

Photo by Flavio~

PHOTOTROPISM

The plants movement in response to light

Photo by melynda.huskey

THERMOTROPISM

A plants movement in response to temperature change

Photo by Universal Pops (David)

HYDROTROPISM

A plants movement in response to water usually on river banks

Photo by noctilucent~

THIGMOTROPISM

A plants movement in response to touch

Photo by J.W. Webb

Cierra Williams