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biological evolution

NOUN
convergent evolution
Synonyms
WEAK
convergence parallel evolution speciation
NOUN
natural selection
Synonyms
WEAK
Darwinian theory Darwinism adaptation artificial selection evolution evolutionism law of the jungle natural law phylogeny social Darwinism social evolution survival of the fittest theory of evolution

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.