Web<-NARRATOR:->Listen to part of a lecture in a paleontology class. 旁白：听一段古生物学课程。 <-FEMALE PROFESSOR:->As we've discussed, birds are apparently descendants of dinosaurs, and share many commonalities with some dinosaur species, like, uh, feathers and maybe even flight. And of course, eg WebThe beginning of birds Birds evolved from a group of meat-eating dinosaurs called theropods. That's the same group that Tyrannosaurus rex belonged to, although birds evolved from small theropods, not huge …

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WebBirds evolved from the theropod line of dinosaurs, which included the mighty and probably most famous dinosaur Tyrannosaurus rex, Velociraptor and other meat-eating beasts. But to say birds are descended from dinosaurs is like saying humans are descended from mammals. We are descended from mammals, but it makes more sense to say we are … WebBased on their shared features, scientists reasoned that perhaps the theropods were the ancestors of birds. When paleontologists built evolutionary trees to study the question, … cimetta jammin festival 2022

Origin of birds - Wikipedia

WebMay 14, 2024 · Cassowaries are direct descendants of the dinosaurs. As noted by Save the Cassowary, modern birds descended from dinosaurs, and cassowaries belong to one of the most ancient lineages of living … WebDec 12, 2014 · The new study finds the rate of change in birds' DNA took off 66 million years ago when most dinosaurs went extinct. The surviving dinosaurs then radiated into a constellation of species that led ... WebJun 16, 2015 · The digitized dinosaurs of Jurassic World aren’t as terrifying as you might think, at least if you listen closely: Their roars, growls, and squawks are actually provided by their living descendants —birds. “Birds are a great source for dinosaur sounds,” says Al Nelson, one of the sound designers for the film, “because they are tonal ... cim johansson