All of the Following Hypotheses Have Been Suggested as the Cause

question 30

Multiple Choice

All of the following hypotheses have been suggested as the cause of dinosaur extinction some 65 my ago EXCEPT

• A) an asteroid hit Earth and caused photosynthesis to stop
• B) mammals ate their eggs and had better eyesight to spot food
• C) mammals had more offspring and could outcompete large reptiles
• D) the world changed from cold and dry to wet and warm; the dinosaurs could not adjust