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TAKE THE QUIZraciation
noun
ra·ci·a·tion
ˌrāshēˈāshən
plural -s
: differentiation of local infraspecific groups within a population through continued selection for ecologically useful variations under conditions of at least partial isolation compare speciation
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Merriam-Webster unabridged
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- Often used to describe “the march of time,” what does inexorable mean?


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