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geotropism

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
geotropism /ge·ot·ro·pism/ (je-ah´trah-pizm) a tendency of growth or movement toward or away from the earth; the influence of gravity on growth.
geotropism [je-ot´ro-pizm]
tropism in response to gravity, i.e., either toward or away from the earth; growth influenced by gravity.

geotropism
a tendency of growth or movement toward or away from the earth; the influence of gravity on growth.


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A few examples of the diverse topics covered in the volumes include acorn worm, air masses and fronts, animal cancer tests, big bang theory, biophysics, buckwheat, cardiac cycle, dentrification, dragonflies, geotropism, ice age refuges, irrational number, legumes, nuclear winter, oscillations, photocopying, quantum electrodynamics, restoration ecology, set theory, squirrel fish, tartaric acid, tumbleweed, ultraviolet astronomy, weather forecasting, xylotomy, and zodiacal light.
That first white piece to pop its head out of the seed is the radicle and it has a strange attraction to gravity known as geotropism.
 
 
 
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