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September 6 2013

Sonar In Dolphins, Bats Could Mean They Share Some Genetic Makeup


Bats and dolphins may live in radically different worlds, but the fact they both evolved a type of sonar means they resemble each other genetically, researchers now find.

When different species live similar lives, they can evolve similar traits, a phenomenon known as convergent evolution. For instance, dolphins, sharks and the extinct marine giants known as ichthyosaurs all differ from each other greatly in origin dolphins are mammals, sharks are fish and ichthyosaurs were reptiles.

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