e/Medea Hypothesis

Information
has gloss	eng: The Medea Hypothesis is a term coined by paleontologist Peter Ward for the anti-Gaian hypothesis that life itself caused or contributed to the loss of biodiversity associated with most of the historical mass extinctions (the impact-caused K-T event being an exception).
lexicalization	eng: Medea hypothesis
instance of	(noun) a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices" hypothesis, theory, possibility