Populations of beetles from different localities in Europe are possible cryptic species.How would one determine whether they are cryptic species based on the biological species concept?
A) Cross them; if they have much reproductive isolation, then they are likely to be cryptic species.
B) Cross them; if they have little reproductive isolation, then they are likely to be cryptic species.
C) Subject their DNA to phylogenetic analysis; if they are distinct evolutionary branches, then they are likely to be cryptic species.
D) Subject their DNA to phylogenetic analysis; if they are distinct evolutionary branches, then they are unlikely to be cryptic species.
E) The biological species cannot be applied to determine whether they are cryptic species.

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The Answer of Populations of beetles from different localities in Europe are possible cryptic species.How would one determine whether they are cryptic species based on the biological species concept?
A) Cross them; if they have much reproductive isolation, then they are likely to be cryptic species.
B) Cross them; if they have little reproductive isolation, then they are likely to be cryptic species.
C) Subject their DNA to phylogenetic analysis; if they are distinct evolutionary branches, then they are likely to be cryptic species.
D) Subject their DNA to phylogenetic analysis; if they are distinct evolutionary branches, then they are unlikely to be cryptic species.
E) The biological species cannot be applied to determine whether they are cryptic species.

Populations of Beetles from Different Localities in Europe Are Possible