Question

• 10 points

comparing modern reptiles to dinosaur fossils, what type of evidence would best support the hypothesis that modern reptiles evolved from dinosaur ancestors?
discovering that dinosaurs and modern reptiles lived in the same geographic locations
proving that dinosaurs and modern reptiles ate the same types of food
finding that modern reptiles are larger than dinosaurs
identifying similar anatomical structures and observing a gradual change in these structures through successive fossil layers

• 10 points

why would a scientist studying evolutionary patterns choose to compare fossil sequences from multiple locations rather than studying fossils from just one location?
comparing multiple locations provides a more complete picture of how organisms changed over time and helps confirm patterns across different environments and regions
fossils from one location are always inaccurate and cannot be trusted
multiple locations make the study more complicated and less reliable
scientists are required by law to study fossils from at least three different locations

Explanation:

For the first question: Shared geography or diet does not prove evolutionary descent, and size difference is irrelevant. Gradual anatomical changes in fossil layers directly show evolutionary lineage.
For the second question: Single-location fossils only show local patterns; multiple locations confirm consistent evolutionary changes across different environments, while the other options are factually incorrect.

Answer:

1. Identifying similar anatomical structures and observing a gradual change in these structures through successive fossil layers
2. Comparing multiple locations provides a more complete picture of how organisms changed over time and helps confirm patterns across different environments and regions