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

Allopatric speciation

Archaeology; Evolution

Speciation that occurs when two or more populations of a species are geographically isolated from one another sufficiently that they do not interbreed.

Sympatric speciation

Archaeology; Evolution

Speciation via populations with overlapping geographic ranges.

Stromatoporoid

Archaeology; Evolution

Stromatoporoids, once thought to be related to the corals, are now recognised as being calcareous sponges. Sponges similar to fossil stromatoporoids are found in the oceans today. Like modern ...

Antibiotics

Archaeology; Evolution

Substances that destroy or inhibit the growth of microorganisms, particularly disease-causing bacteria.

Analogous structures

Archaeology; Evolution

Structures in different species that look alike or perform similar functions (e.g., the wings of butterflies and the wings of birds) that have evolved convergently but do not develop from similar ...

Gene frequency

Archaeology; Evolution

The frequency in the population of a particular gene relative to other genes at its locus. Expressed as a proportion (between 0 and 1) or percentage (between 0 and 100 percent).

Glaciation

Archaeology; Evolution

The formation of large sheets of ice across land. Glaciation of the continents marks the beginning of ice ages, when the makeup of Earth and organisms on it changes dramatically.