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

Add a new term

Contributors in Evolution

Become a Contributors

Evolution

Genetic load

Archaeology; Evolution

A reduction in the average fitness of the members of a population because of the deleterious genes, or gene combinations, in the population. It has many particular forms, such as "mutational load," ...

Steven Pinker

Archaeology; Evolution

A psychologist and professor with a special interest in language, linguistic behavior, and cognitive science. Pinker's publications include the popular science books The Language Instinct and How the ...

Susan Blackmore

Archaeology; Evolution

A psychologist interested in memes and the theory of memetics, evolutionary theory, consciousness, the effects of meditation, and why people believe in the paranormal. A recent book, The Meme ...

Homo erectus

Archaeology; Evolution

A species of hominid that lived between 1. 8 mya and 300,000 years ago; the first Homo species to migrate beyond Africa.

Graptolite

Archaeology; Evolution

A small, colonial, often planktonic marine animal that was very abundant in the oceans 300 to 500 million years ago; now extinct.

Asteroid

Archaeology; Evolution

A small rocky or metallic body orbitting the Sun. About 20,000 have been observed, ranging in size from several hundred kilometres across down to dust particles.

Ring species

Archaeology; Evolution

A situation in which two reproductively isolated populations (see reproductive isolation) living in the same region are connected by a geographic ring of populations that can interbreed.