Control In Plants

Tropism

growth in response to a stimulus

Auxin

a plant hormone produced in the stem tips and roots, which controls the direction of growth

Postive Tropism

the plant grows towards the stimulus

Negative Tropism

the plant grows away from the stimulus

Phototropism

a tropism where light is the stimulus

Gravitropism

a tropism where gravity is the stimulus

Auxins cause cells in shoots to grow...?

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Auxins cause cells in shoots to grow...?

less