[Campbell Biology P.785] Which of the following accurately reflects the current understandin... | Practice Question

Which of the following accurately reflects the current understanding of dinosaurs according to the provided text?

  • A: All dinosaurs, including birds, became extinct at the end of the Cretaceous period due to an asteroid impact.
  • B: Recent fossil discoveries support the idea that dinosaurs were slow and sluggish creatures.
  • C: Some anatomical evidence suggests that at least some dinosaurs were endotherms.
  • D: The decline in dinosaur diversity definitively began suddenly at the end of the Cretaceous period.

Explanation

The text explicitly states: 'Finally, some anatomical evidence supports the hypothesis that at least some dinosaurs were endotherms,' directly supporting option C. Options A, B, and D contain misinterpretations or partial truths that are contradicted or debated within the text.