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Plant Responses/Grow

Ch.3 L5

QuestionAnswer
Tropism The response of a plant toward or away from a stimulus
Hormone A chemical that effects growth and developments
Photoperiodism A plant'a 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 steps
What are 3 stimuli that produce plant responses? Touch, gravity, and light
What are examples of positive and negative tropism? Positve Tropism: When a plant grows toward stimuli; Negative Tropism: When a plant grows away from the stimuli
What triggers a plant to flower? The amount of darkness it recieves
Created by: user-1915586
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