Question

_____ have the highest brain-to-body mass ratio of all large animals.

humans
chimpanzees
dolphins
sharks

Answer 1

The correct answer is humans.

Step-by-step explanation:

Human's ratio is 1:40; chimpanzee's is 1:113; dolphin's is 1:50; and shark's is 1:2496. Therefore human has the highest brain to body mass ratio.

Answer 2

Humans is the answer