Underwater Animals

By Princessa

This is a quiz I did about Underwater Animals. The correct answers will be colored.


1 A student is studying a creature with bones that lives in the water. She concludes that the creature is _____.

a vertebrate
cold-blooded
warm-blooded
an invertebrate

2 Fish are classified into two main groups based on whether or not they have _____.

fins
gills
bones
scales

3 What is the function of the swim bladder?

It helps the fish to breathe.
It helps the fish maintain buoyancy.
It helps the fish change cartilage into bone.
It pulls oxygen into the body when the fish is at rest.

4 When goatfish use barbels to help them locate food, they are using their sense of _____.

taste
sight
smell
touch

5 Which sense do sharks depend on the most when hunting?

taste
sight
smell
hearing

6 What is the function of the ampulae of lorenzini in a shark?

They help the shark to remain buoyant.
They help the shark smell blood from an injured fish.
They help the shark to remain balanced when it is swimming fast.
They help the shark detect small electrical charges produced by living things.