Why do humans and other primates have rounded ears, while most other mammals have pointed ears?

Question

I know that rats and mice have rounded ears too, but they are our next closest relative to apes and monkeys.

In: 3

Answer 1

Primates, which are usually prey, evolved round ears to hear the environment so they can detect predators.

And predators evolved pointy, sensitive ears so they can hear their prey where they can’t see it.