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BIOLOGY
Plant Hormones

What affects plant growth?

Sunlight (Photosynthesis)
Water (Photosynthesis)
Nutrients
Carbon dioxide (Respiration)
Oxygen (Respiration)

Plant tropisms (Growth towards)

Phototropis towards sunlight
m (shoots)
Geotropism towards gravity (roots)


Why do plants move towards the light?

In the stems and roots of plants, there are growth hormones called Auxin.…

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BIOLOGY




Plant Hormones






B1
Year 10

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