Which one of the following is defined as a natural biological unit tied together by the sharing of a common gene pool?
Vegetation
Flora
Fauna
Species
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UPSC Geoscientist – 2023
In biology, a species is typically defined as a group of organisms that can interbreed in nature and produce fertile offspring. This reproductive isolation maintains the gene pool of the species as a distinct unit. Vegetation refers to the plant life of a region, Flora refers specifically to the plant species, and Fauna refers to the animal species. None of these represent a single biological unit defined by a shared gene pool in the same way as a species.