Question

vocabulary activity questions 3 read this sentence from the text. “based on the evidence of shared characteristics, scientists have concluded that birds are a type of theropod dinosaur.” what is a piece of skeletal evidence that supports the conclusion that birds are a type of theropod dinosaur? a birds brood their nests, just as non - bird theropod dinosaurs did. b feathers may have been used by non - bird dinosaurs in some of the ways that birds use their feathers today. c the cerebrum in non - bird dinosaurs closely related to birds was very large. d birds and non - bird theropod dinosaurs have a hole in their hipbone.

Explanation:

The question asks for skeletal evidence. Option A is about nesting behavior, Option B is about feather - usage, Option C is about the cerebrum (a non - skeletal part). Option D mentions a hole in the hipbone, which is skeletal evidence.

Answer:

D. Birds and non - bird theropod dinosaurs have a hole in their hipbone.