How do the short and roots of plants respond to the pull of earths gravity?
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Roots grow downward, or towards the center of Earth, and away from light. These responses to external stimuli are called tropisms. Plants' growth response to gravity is known as gravitropism; the growth response to light is phototropism. ... Roots also will change direction when a plant is tipped on its side
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» The shoot of plant is negatively geotropic that is it is not attracted by gravity & it grows opposite to the direction of gravitational pull
» In case of roots it is positively geotropic that is it grows to the direction of gravitational pull.
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