Plants Tropism

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What are auxins?
A family of hormones found in plants.
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What is a tropism?
A tropism is a growth in response to a stimulus which controls the direction of growth.
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What is phototropism?
It is a tropism caused by light.
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What is geotropism?
A tropism caused by gravity.
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What are the uses of plant hormones?
*Rooting powder *Selective weedkillers *Fruit ripening Ethane *Neater hedges *Dormancy in seeds
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What do plants compete for?
*Sunlight *Water *Space *Nutrients
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What does the sunlightdo to auxins?
It breaks auxins down.
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What is a hormone?
A chemical message.
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Card 2

Front

What is a tropism?

Back

A tropism is a growth in response to a stimulus which controls the direction of growth.

Card 3

Front

What is phototropism?

Back

Preview of the front of card 3

Card 4

Front

What is geotropism?

Back

Preview of the front of card 4

Card 5

Front

What are the uses of plant hormones?

Back

Preview of the front of card 5
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