Difference between revisions of "Phototropism"

Revision as of 02:38, 27 November 2019

Phototropism is a growth response in plants in which their growth responds to light intensity.

Phototropism can be positive or negative.

In the shoot system of plants the growth is due to positive where the shoots grow towards the light.

In the root system of plants the growth is due to negative where the roots grow away from the light.

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+====Edexcel====
+:[https://www.amazon.co.uk/gp/product/1292120207/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120207&linkCode=as2&tag=nrjc-21&linkId=22455ff53961978667722edaa64c0be5 ''Phototropism, page 136, GCSE Biology, Pearson, Edexcel '']
+:[https://www.amazon.co.uk/gp/product/1782946748/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946748&linkCode=as2&tag=nrjc-21&linkId=a4f0348fc37d0ba1bb52d27f8679581f ''Phototropism, page 74, GCSE Biology; The Revision Guide, CGP, Edexcel '']
+:[https://www.amazon.co.uk/gp/product/1782948120/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948120&linkCode=as2&tag=nrjc-21&linkId=dedef775c6a43dbb0a609441525adac0 ''Phototropism, pages 215-217, GCSE Biology, CGP, Edexcel '']