teški metal

teški metal

A metal having a specific gravity of 5.0 or greater. Heavy metals are generally toxic to organisms in relatively low concentrations, and tend to accumulate in the food web. Examples include arsenic, cadmium, chromium, lead, and mercury .

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Industry/Domain: Natural environment
Category: Coral reefs
Organization: NOAA
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metal

Chemistry; General chemistry

A metal is a substance that conducts heat and electricity, is shiny and reflects many colors of light, and can be hammered into sheets or drawn into wire. Metals lose electrons ...

teški metali

Archaeology; Evolution

Metals with a high relative atomic mass, such as lead, copper, zinc, and mercury. Many of them are toxic.

teški metali

Agricultural chemicals; Pesticides

Metallic elements with high atomic weights; (e.g. mercury, chromium, cadmium, arsenic, and lead); can damage living things at low concentrations and tend to accumulate in the food ...

teški metali

Natural environment; Water

Metals that have a density of 5.0 or higher and a high elemental weight. Most are toxic to humans, even in low concentrations.

Hevi metal

Music; General music

Rock style that gained popularity in the 1970s, characterized by simple, repetitive ideas and loud, distorted instrumental solos.

protein

Natural environment; Coral reefs

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

Natural environment; Coral reefs

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

metrički sistem

Natural environment; Coral reefs

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

poliginija

Natural environment; Coral reefs

The mating of a single male with several females.

hemijska evolucija

Natural environment; Coral reefs

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

endoparazit

Natural environment; Coral reefs

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

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