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Phototropism

Phototropism

C019/7648

Rights Managed

50.6 MB (1.0 MB compressed)

4760 x 3712 pixels

40.4 x 31.5 cm ⏐ 15.9 x 12.4 in (300dpi)

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Credit

CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY

Caption

Phototropism. Seedlings growing towards a window. Plant growth towards a light source is known as positive phototropism. The plant hormone auxin causes cells on the side of the stem that is furthest from the light to elongate. This causes the bending of the stem towards the light.

Release details

Model release not required. Property release not required.

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