árbol

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 ...

árbol filogenético

Biología; General

A diagram showing the evolutionary history of organisms based on differences in amino acid sequences. Organisms with fewer differences are placed closer together while those with ...

nubes en forma de yunque

Geografía; Geografía física

Rapidly rising column of air in a convectional thunderstorm will soon reach the tropopause and be forced to spread in its upper portion to form an anvil shape.

arqueado

Geografía; Geografía física

A fan-shape with the 'point' at the river mouth.

cúspide

Geografía; Geografía física

A triangular shape with the 'point' facing the body of water and base at the river mouth.

área industrial abandonada

Geografía; Geografía física

Zona abandonada o con construcciones muy antiguas que podrían ser renovadas para nuevos usos.

privación

Geografía; Geografía física

Situación en que la calidad de vida está por debajo de lo esperado para un lugar en particular en un tiempo determinado.

sequía

Geografía; Geografía física

A lack of precipitation into an area for a long period of time. Modern droughts are thought to be intensified by population pressure which may help to remove water available for ...