primitivan

primitivan

Refers to a character or feature in a group of organisms that is inherited from a common ancestor. Teeth are a primitive characteristic of birds since birds inherited them from their dinosaur ancestors.

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Parte del discurso: adjetivo
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Blosario
Industria/ámbito: Biología
Categoría: Genética
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evolucija

Biología; Genética

Darwin's definition: descent with modification. The term has been variously used and abused since Darwin to include everything from the origin of man to the origin of life.

evoluciono stablo

Biología; Genética

A diagram which depicts the hypothetical phylogeny of the taxa under consideration. The points at which lineages split represent ancestor taxa to the descendant taxa appearing at ...

istrebljenje

Biología; Genética

When all the members of a clade or taxon die, the group is said to be extinct.

hijerarhija

Biología; Genética

A series in which each element is categorized into successive ranks or grades with each level subordinate to the one above.

homologija

Biología; Genética

Two structures are considered homologous when they are inherited from a common ancestor which possessed the structure. This may be difficult to determine when the structure has ...