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8 Cards in this Set
- Front
- Back
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What 4 factors affect growth of plants
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Light
Gravity Temperature Day length |
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What is phototropism
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Growth of plant in response to light
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What is gravitropism
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Growth of plant in response to gravity
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What is an auxin
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A plant growth hormone
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What do auxins control
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Growth of shoots and roots
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Where are auxins produced
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In the tips of the roots and shoots
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What does extra auxin do
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Speeds up growth in shoots
Slows down growth in roots |
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What is elongation
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Growth in roots and shoots
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