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

paleontologist

Archaeology; Evolution

A scientist who studies fossils to better understand life in prehistoric times.

prezygotic isolation

Archaeology; Evolution

A form of reproductive isolation in which the two species never reach the stage of successful mating, and thus no zygote is formed. Examples would be species that have different breeding seasons or ...

protozoa

Archaeology; Evolution

A group of unicellular, usually microscopic, organisms now classified in various phyla of the kingdom Protoctista. They were formerly regarded either as a phylum of simple animals or as members of ...

conodont

Archaeology; Evolution

A jawless fish that had tiny, tooth-like phosphate pieces that are abundant in the fossil record, these were the earliest known vertebrates.

australopithecine

Archaeology; Evolution

A group of bipedal hominid species belonging to the genus Australopithecus that lived between 4. 2 and 1. 4 mya.

cladogram

Archaeology; Evolution

A branching diagram that illustrates hypotheses about the evolutionary relationships among groups of organisms. Cladograms can be considered as a special type of phylogenetic tree that concentrates ...

notochord

Archaeology; Evolution

A flexible skeletal rod running the length of the body in the embryos of the chordates (including the vertebrates). In some simpler types, such as sea-squirts, only the free-swimming larva has a ...