Ancient Crocodile-Like Predators Rewrite Current Knowledge of How Animals Adapted to the Land
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What you were taught at high school about the evolution of the first terrestrial animals is false. According to a study published in Science, the first vertebrates to leave the sea did not look like amphibians — but like small crocodiles. Two juvenile fossils found near Chicago just caused an old theory to collapse [...]
Baby Crocodile Like Fossils Just Blew Up a Long Held Evolution Theory
New evidence published today in the journal Science upends decades of evolutionary theory about when animals first walked on land. The new findings suggest these first animals were not, as you might have learned in biology class, anything like modern amphibians. In fact, some of the first animals to step out of the primeval sea were far more like ancient crocodiles…….Continue reading…. By: Sarah Durn Source: Popular Science . Critics: The first…
Ancient crocodile-like predators rewrite current knowledge of how animals adapted to the land
The first four-legged vertebrates did not grow up like tadpoles after all. That idea has shaped the story of life on land for decades. Early tetrapods, the ancient animals that gave rise to mammals, birds, reptiles, and amphibians, were widely thought to begin life much like modern amphibians. They were believed to hatch into a larval stage and later transform into adult bodies through metamorphosis. But newly described fossils of baby tetrapods…
Fish once crawled onto land and became amphibians. From these arose reptiles, and eventually mammals saw the light of day, with humans as the icing on the cake. A nice, straightforward story that has been spoon-fed to schoolchildren for generations. But that is not how it went at all, according to new research in which citizen scientists played a major role […] More science? Read the latest articles on Scientias.nl.
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