What's the Difference Between Sharks & Dolphins?

Dolphins Simalarities Sharks Dolphins are mammals They both live in the water. Sharks are a type of fish Dolphins skeletons are made out of bone. They don’t sleep. Dolphins dorsal fins are curved at the top. They are both vertebrates Sharks dorsal fins are straight. Dolphins have to come to the surface to breathe. They have torpedo like bodies. Sharks breathe through their gills.
Dolphins are mammals
Dolphins skeletons are made out of bone.
Dolphins dorsal fins are curved at the top.	They are both vertebrates	Sharks dorsal fins are straight.
Dolphins have to come to the surface to breathe.	They have torpedo like bodies.	Sharks breathe through their gills.