Evolution

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.

Industry: Archaeology

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Evolution

Darwinian evolution

Archaeology; Evolution

Evolution by the process of natural selection acting on random variation.

Selective pressures

Archaeology; Evolution

Environmental forces such as scarcity of food or extreme temperatures that result in the survival of only certain organisms with characteristics that provide resistance.

Coevolution

Archaeology; Evolution

Evolution in two or more species, such as predator and its prey or a parasite and its host, in which evolutionary changes in one species influence the evolution of the other species.

Echinoderm

Archaeology; Evolution

Echinoderms, whose name means "spiny skin," are a group of marine invertebrates that includes starfish, brittlestars, basket stars, sea cucumbers, sand dollars, sea urchins, and others. They live in ...

Michael Saag

Archaeology; Evolution

Dr. Saag is director of the AIDS Outpatient Clinic and associate professor of medicine at the University of Alabama, Birmingham. He is also associate director for clinical care and therapeutics at ...