Gaia Hypothesis Definition

gīə, gāə
The theory that the earth is a group of interdependent organisms and environmental systems that function as a single, self-regulating organism.
Webster's New World
Any of various related hypotheses stating that this system is self-regulating, as through feedback loops, or that it constitutes a living organism, in either case acting to maintain stable conditions that are optimal for the continuation of life.
American Heritage Medicine

Origin of Gaia Hypothesis

  • After Gaia used by British scientist and environmentalist James Lovelock (born 1919) to refer to the totality of Earth's biota as a superorganism

    From American Heritage Dictionary of the English Language, 5th Edition

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