Two species of yabbies inhabit the same mountain creek. They are morphologically indistinguishable but can be split into two groups according to presence or absence of a number of genetic markers in their mitochondrial DNA. When yabbies from the two groups interbreed, they produce healthy but infertile offspring. These two groups are classified as distinct species according to
A) the taxonomic species concept.
B) the evolutionary species concept.
C) the recognition species concept.
D) the biological species concept.
E) All of the species concepts are correct.

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The Answer of Two species of yabbies inhabit the same mountain creek. They are morphologically indistinguishable but can be split into two groups according to presence or absence of a number of genetic markers in their mitochondrial DNA. When yabbies from the two groups interbreed, they produce healthy but infertile offspring. These two groups are classified as distinct species according to
A) the taxonomic species concept.
B) the evolutionary species concept.
C) the recognition species concept.
D) the biological species concept.
E) All of the species concepts are correct.

Two Species of Yabbies Inhabit the Same Mountain Creek