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Comic Tropism

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  • Tropism is the turning of all or part of an organism in a particular direction in response to an external stimulus.
  • What make the roots of that plant grow down and not up?
  • Its called geotropism. Geotropism the growth of the parts of plants with respect to the force of gravity. The upward growth of plant shoots is an instance of negative geotropism ; the downward growth of roots is positive geotropism.
  • Is it just me or is that sunflower facing the sun?
  • No, your right. That is called phototropism. Phototropism is the orientation of a plant or other organism in response to light
  • Its called hydrotropism. Hydrotropism is the growth or turning of plant roots toward or away from moisture, Which makes it grow in water.
  • Why is there plants growing in the water?
  • why are these plants growing in objects and not in the ground?
  • Its called thigtropism. Thigtropism is the turning or bending of a plant or other organism in response to a touch stimulus.
  • Those are the 4 different ways tropism can be formed as. 
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