Non Human Species interact

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Issue:

Science

 

Written by:

Calvin T

 

Date added:

December 7, 2014

 

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Grade:

A

 

No of pages / words:

3 / 715

 

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4592 times

 

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A trophic movement of plant organs in response to the source of light is known as Phototropism. The stem grows towards the direction of light, and is therefore said to exhibit positive phototropism. For instance, we have observed that shoot apices of Helianthus annus (Sunflower) plants exhibit phototropism by growing towards the direction of sunlight (Dr...
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Comprehensive laboratory manual in Biology(pp.169-170). New Delhi:Laxmi Publications Private Ltd., Question: Does the direction of sunlight affect phototrophic movements in plants? Hypothesis: "The direction of sunlight plays an active role regarding phototrophic movements in plants." Prediction: "If a plant is placed in a heliotropic chamber or card board box with a hole on one side and provided with unidirectional sunlight, then it exhibits phototropism by growing towards the direction of sunlight...
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