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dimulka [17.4K]
3 years ago
8

Why plants Bend and grow towards a light source

Biology
1 answer:
Hitman42 [59]3 years ago
3 0
HEYA !!!!

Under normal light conditions auxins are spread out in the plant. But when sunlight varies, auxin is broken down on the sunnier side of the stem. The higher concentration of auxin on the shady side causes the plant cells on that side to grow more so it bendstoward the light.

Hope it helps you..

:)
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