shark, penguins and dolphins have a aquatic habitat
shark
Yes, shark dorsal fins are triangular and straight while dolphin dorsal fins are very curved and streamlined. A Google Image Search will clarify this even better.
Shark is to fish dolphin is to mammal.
dolphin
No. The shark would get scared if the dolphin came near it.
No! A dolphin is a mammal, a shark is a fish - never the twain shall meet!
Shark are fish and breath water Dolphin are mammals and breath air.
when a dolphin is alone it can be killed by sharks but when dolphins are moving in packs they can kill the hammerhead shark. A dolphin can poke at a hammerhead shark so that the shark flips into the air. Then the dolphin calls his friends, and they poke the hammerhead to death.
it depends which shark is it
They Both don't have hair on their bodies even though a dolphins is a mammal, and a shark is fish.
A dolphin's fin is rounded at the top, but a shark's fin is straight
Sharks have a streamlined body