| Types of Tropisms | Terms |
|---|---|
|
What is Phototropism
A plant's response to light
|
What is positive tropism
Moving toward the stimulus
|
|
What is Geotropism
A plant's response to gravity
|
What is negative tropism
Moving away from the stimulus
|
|
What is Aerotropism
A plant's response to oxygen
|
What is Auxin
A chemical that causes plants to grow faster on the side farthest from light
|
|
What is chemotopism
A plant's response to substance
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What are the four steps of tropisms
Perception to stimulus, signal for transfer of auxin, auxin redistribution, growth
|
|
What is thigmotropism
A plant's response to touch
|
When do tropisms occur?
1/2 hour after perception to stimulus and completed within 5 hours
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