The biological species concept is the most widely accepted species concept. It defines species in terms of interbreeding. For instance, Ernst Mayr defined a species as follows:species are groups of interbreeding natural populations that are reproductively isolated from other such groups..The biological species concept explains why the members of a species resemble one another, i.e. form phenetic clusters, and differ from other species.When two organisms breed within a species, their genes pass into their combined offspring.he biological species concept explains why the members of a species resemble one another, i.e. form phenetic clusters, and differ from other species. When two organisms breed within a species, their genes pass into their combined offspring.
conduit - a passage (a pipe or tunnel) through which water or electric wires can pass; the computers were connected through a system of conduits. aqueduct - a conduit that resembles a bridge but carries water over a valley. duct - an enclosed conduit for a fluid.
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