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7 Cards in this Set
- Front
- Back
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geotropism
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an orienting response to gravity
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gravity
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the force of attraction between all masses in the universe, especially the attraction of the earth's mass for bodies near its surface
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hydrotropism
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oriented growth in response to water
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phototropism
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an orienting response to light
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stimuli/stimulus
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something that incites to action or exertion or quickens action, feeling, thought
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thigmotropism
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oriented growth of an organism in response to mechanical contact, as a plant tendril coiling around a string support
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tropism
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an involuntary orienting response
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