General

General

General nature or nature terms.

Industry: Natural environment

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General

sporangia

Biology; General

The structures in which spores are produced (sing.: sporangium).

secretion

Biology; General

The release of a substance in response to the presence of food or specific neural or hormonal stimulation.

spores

Biology; General

Impervious structures formed by some cells that encapsulate the cells and protect them from the environment; haploid cells that can survive unfavorable conditions and germinate into new haploid ...

sporophyte

Biology; General

The diploid stage of a plant exhibiting alternation of generations. The diploid, spore producing phase of the plant life cycle.

sediment

Biology; General

Loose aggregate of solids derived from preexisting rocks, or solids precipitated from solution by inorganic chemical processes or extracted from solution by organisms.

stabilizing selection

Biology; General

A process of natural selection that tends to favor genotypic combinations that produce an intermediate phenotype; selection against the extremes in variation.