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.

Settore: Archeologia

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Evolution

selezione artificiale

Archeologia; Evoluzione

The process by which humans breed animals and cultivate crops to ensure that future generations have specific desirable characteristics. In artificial selection, breeders select the most desirable ...

selezione naturale

Archeologia; Evoluzione

The differential survival and reproduction of classes of organisms that differ from one another in one or more usually heritable characteristics. Through this process, the forms of organisms in a ...

ereditarietà

Archeologia; Evoluzione

The process by which characteristics are passed from one generation to the next.

aploide

Archeologia; Evoluzione

The condition of having only one set of genes or chromosomes. In normally diploid organisms such as humans, only the gametes are haploid.

convergenza

Archeologia; Evoluzione

The process by which a similar character evolves independently in two species. Also, a synonym for analogy; that is, an instance of a convergently evolved character, or a similar character in two ...

trasferimento

Archeologia; Evoluzione

The process by which a protein is manufactured at a ribosome, using messenger RNA code and transfer RNA to supply the amino acids.

larva

Archeologia; Evoluzione

The prereproductive stage of many animals. The term is particularly apt when the immature stage has a different form from the adult. For example, a caterpillar is the larval stage of a butterfly or ...