Are Dinosaurs Still With Us? Quick Check

Question

Scientists examine fossils from three different animals. They determine that all three animals share similar structures and record their observations as follows:

Animal A and animal B have somewhat similar structures.
Animal A and animal C have very similar structures.
Animal B and animal C have very similar structures.
The scientists use the similarities to determine the order in which the fossils should appear in the fossil record. Based on the scientists’ observations, which order is the most reasonable?

A. A, B, C

C. B, A, C

B. A, C, B

D. C, B, A

Answer 1

The most reasonable order based on the scientists' observations would be:

B. A, C, B