zračenje

Energy that travels through space in the form of waves. The highest frequencies in the spectrum of electromagnetic radiation are gamma-rays; the lowest frequencies are radio ...

ultravioletno zračenje

Astronomie; Mars

The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

protein

Environnement naturel; Les récifs coralliens

A large complex molecule made up of one or more chains of amino acids. A typical protein contains 200-300 amino acids but some are much smaller and some much larger, e.g., titin, ...

emigracija

Environnement naturel; Les récifs coralliens

The movement of individuals out of a population or from one area to another.

metrički sistem

Environnement naturel; Les récifs coralliens

A decimal system of measures and weights with the meter and the gram as bases.

poliginija

Environnement naturel; Les récifs coralliens

The mating of a single male with several females.

hemijska evolucija

Environnement naturel; Les récifs coralliens

The chemical changes that transformed simple atoms and molecules into the more complex chemicals needed for the origin of life.

endoparazit

Environnement naturel; Les récifs coralliens

A parasite which lives in the internal organs of its host.

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Secteur d’activité/Domaine : Animaux Catégorie : Snakes

kobra

A highly venomous snake from the elapidae family native to Asia and Africa. When alarmed, a cobra raises its head and expands the skin of the neck to ...