bioma de tundra

bioma de tundra

Extensive treeless plain across northern Europe, Asia, and North American between the taiga to the south and the permanent ice to the north. Much of the soil remains frozen in permafrost, and grasses and other vegetation support herds of large grazing mammals.

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Частина мови: noun
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Галузь/тема: Biology
Category: Cell biology
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bioma

Biology; Cell biology

A large-scale grouping that includes many communities of a similar nature.

bioma

Geography; Physical geography

Large-scale natural community named for its dominant vegetation.

bioma

Biology; General

A large-scale grouping that includes many communities of a similar nature.

bioma

Agricultural chemicals; Pesticides

Toda la comunidad de organismos que viven en una sola área ecológica importante. (Véase comunidad biótica.)

tundra

Geography; Geography

A tundra is a cold, treeless area; it is the coldest biome.

núcleo del átomo

Biology; Cell biology

An atom's core; contains protons and one or more neutrons (except hydrogen, which has no neutrons).

número atómico

Biology; Cell biology

The number of protons in the nucleus of an atom.

asma

Biology; Cell biology

A respiratory disorder caused by allergies that constrict the bronchioles by inducing spasms in the muscles surrounding the lungs, by causing the bronchioles to swell, or by ...

ascomicetos

Biology; Cell biology

Division of fungi that contains the yeasts and morels; ascomycetes produce an ascus (or sac) in which ascospores are produced.

selección artificial

Biology; Cell biology

The process in which breeders choose the variants to be used to produce succeeding generations.

reproducción asexual

Biology; Cell biology

A method of reproduction in which genetically identical offspring are produced from a single parent; occurs by many mechanisms, including fission, budding, and fragmentation.