Were Dinosaurs warm-blooded? Evidence supporting the claim that dinosaurs were warmblooded from strongest to weakest...

1.Dinosaurs had vascularized mug ups really similar to bird bone anatomical coordinate and unlike ectothermic reptilian bone Horner teamed up with Armand de Ricqles in an thrust to investigate bone structure as a inwardness to differentiate among endotherms and ectotherms (Morell 1987: pg11). The two scientists did studies that analyzed differences in bone structure during the harvest-home serial of a dinosaur, from fertilized egg to adult. with relative anatomical studies of micro-thin sections of bone from dinosaurs, modern birds, and reptiles, the men effect that both(prenominal) the dinosaur bones and the modern bird bones contained vascular canals within the bone, for blood vessels. This deduction suggested that there is a very massive similarity among bird and dinosaur bone, which indicated that dinosaurs had fast-development bone. According to Horner, rapid appendage and vascular bone development ar characteristics of endothermic animals. insentient reptiles are marked with arrest lines, which exhibit slow mounting bone that lacks the many vascular canals (Morell 1987: pg11). 2. Dinosaurs grew quite rapidly and macro from embryo to adult Scientific research suggests that endothermic animals have higher(prenominal) produce grades and higher metabolisms because more energy is required, maculation ectotherms grow at a much slower rate because they are not capable of internal temperature control (Morell 1987: pg 7). Horner examined the embryonic, nestling, and teen stages of hadrosaurs, and he compared the hadrosaurs growth rate to the growth series of an ostrich and a crocodile. According to his studies, he bring that there were portentous similarities betwixt the growth rate of the ostrich and hadrosaur. He believed that because the growth series of the hadrosaur and the ostrich were growing at provided the corresponding rate, the dinosaurs would have to have reasonably high metabolisms, and this evidence would nutriment the notion that the dinosaurs wer! e endothermic (Morell 1987: pg10). 3.Dinosaurs migrated... ItalianzDoitBest, I agree with you that the intro wasnt needed.

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