Mark A Ulett

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  • Mark A Ulett
  • Studies in history and philosophy of biological…
  • 2014
Throughout the history of evolutionary theory a number of scientists have argued that evolution proceeds along a limited number of definite trajectories, a concept and group of theories known as "orthogenesis". Beginning in the 1880s, influential evolutionists including Theodor Eimer, Edward Drinker Cope, and Leo Berg argued that a fully causal explanation(More)
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