The existence of nest-building in crocodiles and birds led to a prediction that this behavior was also present in
A) ancestral lizards.
B) mammals.
C) dinosaurs.
D) invertebrates.

Question

Quizplus · Accepted Answer

Since crocodiles and birds are both descendants of dinosaurs, it is likely that nest-building behavior was present in their common ancestor, which was a dinosaur. Therefore, it is predicted that dinosaurs also engaged in nest-building behavior.

The Existence of Nest-Building in Crocodiles and Birds Led to a Prediction