Nastic movements

Nastic Responses.

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Nastic responses are rapid, reversable responses to non-directional stimuli (eg. Temperature, Humidity, Light Intensity). The rate or frequency of these responses increases as intesity of the stimuli increases. such a response can be the opening and closing of flowers. (photonastic response.) Nastic responses are usually associated with plants. They are named with the suffix "Nasty" and have prefixes that depend on the stimuli.

Related Topics:
Responses - Stimuli - Temperature - Humidity - Intensity - Frequency - Photonastic - Plants

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Prefixes are as follows:

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·Photo- response to light

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·Chemo- response to chemicals or nutrients

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·Hydro- response to water

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·Thermo- response to temperature

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·geo-/gravi- response to gravity

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·Thigmo- response to touch

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Also see Taxis, Kinesis and Tropism for other types of movement.

Related Topics:
Taxis - Kinesis - Tropism - Movement

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