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

Fixed

Archaeology; Evolution

(1) In population genetics, a gene is "fixed" when it has a frequency of 100 percent. (2) In creationism, species are described as "fixed" in the sense that they are believed not to change their ...

Adaptive logic

Archaeology; Evolution

A behaviour has adaptive logic if it tends to increase the number of offspring that an individual contributes to the next and following generations. If such a behaviour is even partly genetically ...

Particulate

Archaeology; Evolution

(as property of theory of inheritance) A synonym of atomistic.

Class

Archaeology; Evolution

A category of taxonomic classification between order and phylum, a class comprises members of similar orders. See taxon.

Placental mammals

Archaeology; Evolution

A group (specifically, an order) of mammals in which the young develop inside the mother, attached to her and nourished by a specialised structure called the placenta. In placental mammals, the young ...

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 ...