Evolutionary history of whales, dolphins and sea turtles
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Whales, dolphins, seals and sea turtles are members of an exceptional group of animals, called marine tetrapods, that have…
Whales, dolphins, seals and sea turtles are members of an exceptional group of animals, called marine tetrapods, that have…
Whales, dolphins, seals and sea turtles are members of an exceptional group of animals, called marine tetrapods, that have…
Wieso suchen seit 250 Millionen Jahren immer wieder Landbewohner den Weg zurück ins Meer, und warum ähneln sie sich am Ende so…
Marine tetrapods from the Cretaceous Period. (Courtesy of Smithsonian National Museum of Natural History) Whales, dolphins…