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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