TROPISMS
- Created by: yogini.palmer
- Created on: 01-02-16 22:08
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- TROPISMS directional growth responses
- PHOTO-TROPISM
- shoots grow towards the light which enables them to photosynthesise
- GEO-TROPISM
- roots grow towards the pull of gravity. this anchors the plant and helps them to take up water which is needed for rigidity
- PHOTO-TROPISM
- CHEMO-TROPISMS
- THIGMO-TROPISMS
- shoots of climbing plants, such as ivy, wind around other plants or structures to gain support
- on a flower, pollen tubes grow down the style, attracted by chemicals, towards the ovaries where fertilisation occurs
- THIGMO-TROPISMS
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