Describing an organism that avoids or moves away from the Earth or soil, showing a negative response to gravity.
From geo- (Earth) + negative (showing absence or opposition). This scientific term emerged in the 20th century in biology to describe the movement patterns of organisms studied in behavioral ecology.
A geonegative organism like a climbing plant or a spider moving upward on a wall is literally working against gravity and away from the ground—the opposite of how roots are 'geopositive' and always grow downward toward soil!
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