WONDER #2486: Can You Move Your Ears?

Question 1 of 3

Studies have found that human ear muscles twitch when...

1. a person is surprised by a sound
2. a person is very hungry
3. a person shifts their eyes from left to right
4. Both a and c

Question 2 of 3

Which animal can adjust the shape of their ears and uses echolocation?

1. Snake
2. Bat
3. Kangaroo
4. Dog

Question 3 of 3

Modern human ear muscles are leftover from ones that were much larger millions of years ago, which is why experts call them ____________________.

1. extra
2. vestigial
3. non-essential
4. shrinking muscles

Check your answers online at https://wonderopolis.org/wonder/Can-You-Move-Your-Ears.