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6 Cards in this Set

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Mayr
created Biological Species Concept in 1953. Idea that a species is a group of interbreeding individuals reproductively isolated from other groups.
Niles Eldredge and Stephen J. Gould
created idea of Punctuated Equilibrium; evolution isn't gradual but happens in spurts
Miller Experiment
Put H20, NH3, CO2, CO, heat, and electricity to see more compounds form -- idea of chemical evolution
Carl Woese
demonstrated two lineages of prokaryotes -- found genetic sequence for two ribosomal subunit genes (DNA not enclosed in a membrane)
VonBaer
embryologist, showed that species tend to look more closely related at beginning (embryo stage) then diverge
Henning
created cladistics