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Evolution

Of or pertaining to the change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.

Contributors in Evolution

Evolution

Theodosius Dobzhansky

Archaeology; Evolution

A geneticist and zoologist best known for his research in population genetics using the fruit fly. His study of the evolution of races led to the discovery of genetic diversity within species, and ...

Neanderthal

Archaeology; Evolution

A hominid, similar to but distinct from modern humans, that lived in Europe and Western Asia about 150,000 to 30,000 years ago.

Mott Greene

Archaeology; Evolution

A historian of science who has written extensively about the development of geological thought during the 19th and early 20th centuries, including the development of the theory of continental drift.

Eugenie C. Scott

Archaeology; Evolution

A human biologist specializing in medical anthropology and skeletal biology. As executive director of the National Center for Science Education, Scott is an advocate of church/state separation in ...

recognition species concept

Archaeology; Evolution

A concept of species according to which a species is a set of organisms that recognize one another as potential mates; they have a shared mate recognition system. Compare with biological species ...

mimicry

Archaeology; Evolution

A case in which one species looks more or less similar to another species. See Batesian mimicry and Müllerian mimicry.

fixation

Archaeology; Evolution

A gene has achieved fixation when its frequency has reached 100 percent in the population.

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