geotaxis

The definition of geotaxis is the reaction of a free moving organism to gravity.

(noun)

An example of geotaxis is a flying insect being able to fly up or down.

See geotaxis in Webster's New World College Dictionary

noun

the positive (or negative) response of a freely moving organism to (or against) gravity

Origin: ModL: see geo- & -taxis

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See geotaxis in American Heritage Dictionary 4

noun

Movement of a motile organism using the earth's gravity for orientation.

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