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Ch3 lesson 5

8th pd.

TermDefinition
Tropism A plant growth toward or away from the stemyalis
Hormone A chemical produced by a plant
photoperiodism A plants respond to seasonal changes
critical night length critical night length is the number of hours of darkness that determines whether or not a plant or flower
dormancy Dormancy helps plants survive, freezing temperatures in the lack of liquid water
List three stimuli that produce plant responses Touch, gravity, and light or three important stimuli that trigger growth responses
give an example of both positive and negative tropismyou may draw to
Describe what triggers a plant to flower
Why dormancy is important
Created by: user-1996763
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