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Plant Responses and

CH 3 L5

Question, TermAnswer, Definition
Tropism Touch, gravity, and light are three important stimuli that trigger growth responses, or tropism, in plants
Hormone A hormone produced by plant is a chemical that affects how the plant grows and develops
Photoperiodism The amount of darkness a plant receives determines the time of flowering in many plants
Critical night length Some plants will only bloom when the nights last a certain length of time called the critical night length
Dormancy Dormancy helps plants survive freezing temperatures and the lack of liquid water
Tell me the three stimuli that produce plant responses Touch, gravity, and light
Give me an example of positive and negative tropism Warmth from the sun is positive but cold from bad weather is negative
Tell me what triggers a plant to flower A hormone called auxin and light affect how the plant grows
Created by: user-1915458
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