The Red-Breasted Nuthatch and the White-Breasted Nuthatch Are Similar in Appearance

question 78

Multiple Choice

The red-breasted nuthatch and the white-breasted nuthatch are similar in appearance and, in many regions of the United States, their ranges overlap. The two organisms do not interbreed. Based on this information, red-breasted and white-breasted nuthatches are

• A)different species.
• B)different populations of the same species.
• C)hybrids.
• D)polyploids.

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