phototropism
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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what is gravitropism? | a plant's growth response to gravity
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what is phototropism? | a plants growth response to light
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what is hydrotropism? | a change in a plants' direction of growth due to water
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what is thigomotropism? | a plants' growth response to light
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what is night length? | it's an external stimulus signal for many plants to start reproducing
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in what wet and dry seasons' place do trees lose their leaves before dry season? | tropical climates
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what does chlorophyll do in autumn? | it starts to break down, allowing other colors to be seen
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what is tropism? | a plant's response to an external stimulus
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what kind of g.tropism do roots have? | positive
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what kind of g.tropism do stems have? | negative
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Created by:
starscream
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