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Ch3L5

TermDefinition
Tropism The response of a plant toward or away from the stimulus
Horemone A chemical that affects growth and development
Photoperiodism A plants response to seasonal changes in the length of night and day
Critical night length Is a 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
Tell me three stimuli that produce plant responses Photoperiodisms, gravitropisms and thigmotropotism
Give example of positive and negative tropism Positive= This is when the plant grows towards the light. The stem or leaves of plants exhibit positive photoperiodism
Tell me what triggers a plant to a flower Light, temperature, hormones and water
Created by: user-1915584
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