Gravitropism in a sunflower,Helianthus annuus,seedling. Gravitropism (sometimes referred to as geotropism) is a plant response to earth's gravitational field. Plant stems (shoots) exhibit negative gravitropism because they respond by growing away from the gravitational attraction. This plant shows a turn in its stem which occurred after its pot was tipped over. Image 3 in a sequence of 4 images | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Shields, Martin |
Bildgröße: | 5103 px × 3389 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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