Currently, Two Extant Elephant Species (X and Y) Are Placed

question 31

Multiple Choice

Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which of the following statements is true?

• A) Species X and Y are not related to species Z.
• B) Species X and Y share a greater number of homologies with each other than either does with species Z.
• C) Species X and Y share a common ancestor that is still extant (in other words, not yet extinct).
• D) Species X and Y are the result of artificial selection from an ancestral species Z.

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