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They evolved from small rodents called "Casidinanerphalls".
Wiki User
∙ 16y ago
Wiki User
∙ 13y agoNo, bears did not evolve into dolphins. Otherwise, there would be no bears..
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What do sharks dolphins and whales have in common?
They're both marine animals though the dolphin is a mammal.
Do sharks and fish make dolphins?
No
What animals hunt dolphins?
Great White shark,tiger sharks,bull sharks,orca whales
Are sharks dolphins?
No. Dolphins are mammals and sharks are fish. You can tell the difference because dolphins have lungs.
Do dolphins and sharks eat fish?
yes they do
What pretadors do dolphins have?
big sharks and fish
What is the difference between Sharks and Dolphins?
Sharks are cold-blooded, and are a species of fish; Dolphins are warm-blooded, and are mammals.
What is the realtion between a dolphin and a shark?
In actuality, dolphins and sharks aren't related at all. A shark is a fish, while a dolphin is a mammal. They look similar because of a phenomenon called convergence. Convergence is when two unrelated organisms evolve similar mechanisms to cope with the same environmental structure. This means that sharks and dolphins look the same because that form is the best form for an aquatic predator. For another example, look at the extinct ichthyosaurs. They may look like dolphins and fish, but they are actually repitles that evolved from a land-based ancestor. their fin bones
Are whales sharks?
no, sharks are a kind of fish and whales are mammals like dolphins
Who do dolphins not get along with?
Sharks, baracudas, and fish like that.
What animals dives?
fish, dolphins, sharks and whales
How are dolphins and sharks different from each other genetically?
Dolphins are mammals. Sharks are fish. They are very different, though both are vertebrates.
