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species quantitatively dominating in a given community, as a rule, in comparison with alike forms or at all events included in one level of ecological pyramid or vegetati

[English imbreeding] a cross-breading of closely alike forms of animals and plants within one population of (closely alike) organisms. I. frequently causes a decline in a

– 1) in botany – an exterior (habitus) of a plant reflecting its fitness to the environmental conditions. A unit of ecological classification of plants – a group of plant

usually under B.s. or simply species it is understood a population, or variety of populations, of species which are able to crossbreed forming a fecund produce (without r