Question

Tiny shrimp on coral reefs clean the teeth of many fish. When this occurs, the shrimp get nutrients, and the fish stay healthy.

What type of relationship is this?

A.
commensalism

B.
parasitism

C.
predator-prey

D.
mutualism

Answer 1

D

Answer 2

Like mammals, dolphins breathe air, but they are born underwater.

Which is an innate behavior that the newborn dolphin needs to survive?

A.
an ability to communicate with clicks and whistles

B.
special eyes that see underwater

C.
an impulse to swim to the surface

D.
a blowhole on top of its head

Answer 3

Pls post it as new question