The Fossils of Two Adult Birds Are Found in a Nest

question 79

Multiple Choice

The fossils of two adult birds are found in a nest containing several fossilized eggs. Physically, the bird fossils look very different. What are scientists most likely to use to classify these species?

• A)the biological species concept
• B)the DNA-based species concept
• C)the morphological species concept
• D)the evidence of reproduction concept

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