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?

Question

Quizplus · Accepted Answer

Since the physical characteristics of the birds are different, scientists are most likely to use the morphological species concept, which is based on observable physical traits, to classify these species.

The Fossils of Two Adult Birds Are Found in a Nest