население

население

A more or less distinct group of individuals within a species who are reproductively isolated from other groups. In other words, they restrict their mate selection to members of their own population. This is usually due to geographic and/or social barriers to mating with outsiders. Members of a completely isolated small population tend to have similar genetic characteristics due to generations of inbreeding.

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Besedna vrsta: noun
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Industrija/področje: Anthropology
Category: Physical anthropology
Company: Palomar College
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популација, население

Economy; Economics

At the beginning of the 20th century the population of the world was 1. 7 billion. At the end of that century, it had soared to 6 billion. Recent estimates suggest that it will be ...

попис на население

Geography; Physical geography

The collection of data about a population. At its simplest, a count of the number of people in an area. Emdc governments collect much more data to do with demographics, housing, ...

густина на население

Geography; Geophysics

the size of the population within a particular unit

хемофилија

Anthropology; Physical anthropology

An X-linked genetically inherited recessive disease in which one or more of the normal blood clotting factors is not produced. This results in prolonged bleeding from even minor ...

фетус

Anthropology; Physical anthropology

An unborn child during the later stages of pregnancy. In humans, an embryo usually becomes a fetus after the 8th week of gestation. Unlike embryos, fetuses have clearly ...

амино киселина

Anthropology; Physical anthropology

An organic molecule that is a building blocks of proteins. There are at least 20 different kinds of amino acids in living things. Proteins are composed of different combinations ...

хибрид

Anthropology; Physical anthropology

An offspring that is the result of mating between two genetically different kinds of parents--the opposite of purebred.

хормон

Anthropology; Physical anthropology

A class of substances (usually proteins) that are produced by specialized cells and that travel to other parts of the body, where they influence chemical reactions and regulate ...

анемија

Anthropology; Physical anthropology

A medical condition characterized by fatigue, weakness, poor appetite, weight loss, and paleness or a yellowish tinge to the skin and eyes resulting from a deficiency of red blood ...