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Geotropism


geotropism
reaction of organisms to gravity
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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geotropism Plants' response to gravity: roots grow downward, showing positive geotropism, while shoots grow upward in a negative response. PICTURE ...
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geotropism: the turning of a plant away from or toward the earth.
gills: structures that allow fish to exchange gases with their environment.
glial cells: the cells of the nervous system that support, protect, and nourish the neurons.
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geotropism The bending responses of a plant to the forces
germ layer. In the animal embryo, one of three basic layers (ectoderm, endoderm, mesoderm) from which the various organs and tissues arise in the multicellular animal.
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Gravitropism (or geotropism) is a turning or growth movement by a plant or fungi in response to gravity. Charles Darwin was one of the first to document that roots show positive gravitropism and stems show negative gravitropism.
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