Do these populations of song sparrows interbreed? The biological species taxon as group of organisms that can successfully interbreed and produce fertile offspring.
According to the concept of species, integrity is maintained by interbreeding within a species as well as by reproductive barriers between organism in differ species.These species in a group of population whose members have the potential to interbreed in nature and produce viable, fertile offspring members of other population.
Group of species of actually interbreeding natural population which are re-productively isolated from other such groups. The goal of classification is to show evolutionary relationships. Smallest group or level used to classify living things.
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