Angel+Rodriguez

**Bull Sharks**

Dolphins, sharks and millions of other sea creatures live in the ocean. In the ocean, great mountains, deep valleys, beautiful coral reefs and

Volcanoes live at the bottom. If all the water in the ocean dried up the salt would be five feet deep.

There are three layers of the sea. They are the top, middle, and bottom zones. The top is the Chondrichthyes. They live in the sunlit zone of the ocean. Their strong skin keeps them from getting hurt when they attacked. A shark’s skin is covered in tiny teeth. If a human or a fish rubs against a shark’s skin the tiny teeth will cut them.sunlit section, the middle is the twilight section and the bottom is the midnight section.

Sharks are a type of fish called