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Plants Quiz 4

Plants

QuestionAnswer
Tropism The response of a plant toward or away from a stimulus
Hormone A chemical that affects growth and development
Auxin A plant hormone that speeds up the rate at which a plant’s cells grow and controls a plant’s response to light
Photoperiodism A plant’s response to seasonal changes in the length of night and day
Critical Night Length The number of hours of darkness that determines whether or not a plant will flower
Dormancy A period of time when an organism’s growth or activity stops
Created by: jahamilton
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