Fish have existed for over ___________ million years.

Most species of fish live in the _______________

The water in the ocean is __________

Like other animals, fish need _______________ to survive.

some fish eat plants or __________________

__________ Make up the largest group of fish.

This fish have a skeleton made of a strong, flexible material called cartillage.

This fish do not have a jaw.

__________________ do not have scales or denticles on their skin.

A salmon is an example of a ___________________________

A stingray is an example of a ___________________________

A lamprey is an example of a __________________________