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lampreys and sharks both have
Fins
They're both marine animals though the dolphin is a mammal.
Dolphins are mammals. Sharks are fish. They are very different, though both are vertebrates.
Sharks and dolphins are not related as sharks are fish and dolphins aquatic mammals. Sharks originate from small fish and dolphins from land living ferret like animals. Their spines both bend in different directions; dolphins move up and down and shraks from side to side. Dolphins are much closer related to dogs than they are to sharks.
they both leave in the ocean.
shark are scared of dolphin.
They aren't any relationship between them as sharks eat dolphins.
well they are both ways they attack each other
No, they are not. Dolphins are a mammal, and sharks are not.
they live in the sea, meat eaters, .............................!
While sharks and dolphins are certainly very different creatures, they do share some things in common. They both have dorsal fins, side fins and have a torpedo shaped figure. Additionally, they both live in water and are vertebrates.Despite the surface similarities, they are very different animals. Dolphins are warm blooded, while sharks are cold blooded. Sharks' skeletons are made out of cartilage, and dolphins' skeletons are made out of bone. Dolphins nurse their young, and sharks do not. Sharks have no hair whatsoever, while dolphins are born with hair around their noses. Additionally, sharks get oxygen through their gills underwater, while dolphins surface and get oxygen from the air through their blowholes.They both live in water (usually the ocean), they both don't sleep, they have sleek bodies for speed, dolphins, and usually sharks, both eat fish.Both have cartilagesDolphins and sharks are two ocean predators that have to compete for food and territory.They usually co-exist quite peacefully as part of a complex ocean eco-system, but occasionally they do attack and sometimes kill each other under various circumstances.Both are carnivorous (meat eaters)They both have many types, they both live in water, they both have fins, they both eat fish.
dolphins enemies are bull sharks tiger sharks dusky sharks and great white sharks.sharks can kill dolphins.
Yes they are both eukaryotic, as are all animals.