Јоел Рак

Јоел Рак

An Israeli paleoanthropologist and anatomist whose research interests include facial morphology of fossil hominids. Rak was part of the team that found a 2. 3-million-year-old skull fragment from the genus Homo at Hadar, Ethiopia.

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Szófaj: noun
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Ipar/Tárgykör: Archaeology
Kategória: Evolution
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протеин

Archaeology; Evolution

A molecule made up of a sequence of amino acids. Many of the important molecules in a living thing -- for example, all enzymes -- are proteins.

биодиверзитетот (или биолошка разновидност)

Archaeology; Evolution

A measure of the variety of life, biodiversity is often described on three levels. Ecosystem diversity describes the variety of habitats present; species diversity is a measure of ...

Мелани Ли

Archaeology; Evolution

A molecular geneticist and microbial biologist, who in the 1980s collaborated with Paul Nurse on novel research that demonstrated the commonality of the genetic code between ...

адаптивни стратегии

Archaeology; Evolution

A mode of coping with competition or environmental conditions on an evolutionary time scale. Species adapt when succeeding generations emphasize beneficial characteristics.

патоген

Archaeology; Evolution

A microorganism that causes disease.

сунѓер

Archaeology; Evolution

A member of the phylum Porifera, marine and freshwater invertebrates that live permanently attached to rocks or other surfaces. The body of a sponge is hollow and consists ...