evolucija

evolucija

Darwin defined this term as "descent with modification. " It is the change in a lineage of populations between generations. In general terms, biological evolution is the process of change by which new species develop from preexisting species over time; in genetic terms, evolution can be defined as any change in the frequency of alleles in populations of organisms from generation to generation.

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sociokulturna evolucija

社会学; 普通社会学

The process of change and development in human societies that results from cumulative growth in their stores of cultural information.

hemijska evolucija

自然环境; 珊瑚礁

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

tipologija

考古学; 净化

(1) The definition of classificatory groups by phenetic similarity to a "type" specimen. A species, for example, might be defined as all individuals less than x phenetic units ...

mimikrija, imitiranje, podražavanje

考古学; 净化

A case in which one species looks more or less similar to another species. See Batesian mimicry and Müllerian mimicry.

spolni hromozom

考古学; 净化

The chromosome or chromosomes that influence sex determination. In mammals, including humans, the X and Y chromosomes are the sex chromosomes (females are XX, males XY). Compare ...

metabolizam

考古学; 净化

The chemical processes that occur in a living organism in order to maintain life. There are two kinds of metabolism: constructive metabolism, or anabolism, the synthesis of the ...

paleobiologija

考古学; 净化

The biological study of fossils.

ćelija

考古学; 净化

The basic structural and functional unit of most living organisms. Cell size varies, but most cells are microscopic. Cells may exist as independent units of life, as in bacteria ...

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korijander

spice (whole or ground) Description: Seeds from the coriander plant, related to the parsley family (see cilantro). Mixture of lemon, sage and caraway ...