Dinosaur Reproduction
Dinosaur reproduction shows correlation with archosaur physiology, with newborns hatching from eggs that were laid in nests. Dinosaurs did not nurture their offspring as mammals typically do, and because dinosaurs did not nurse, it is likely that most dinosaurs were capable of surviving on their own after hatching. Although, parental care may have been required for some dinosaur species, as shown by fossil evidence. Dinosaur reproduction also required a mate; evidence of sexual dimorphism and courting displays have been found from fossil scrapings in sandstone and feathers on dinosaurs that lacked flight. Medullary bone A discovery of features in a ''Tyrannosaurus, Tyrannosaurus rex'' skeleton provided more evidence that dinosaurs and birds evolved from a common ancestor and, for the first time, allowed paleontologists to establish the sex of a dinosaur. When laying eggs, female birds grow a special type of bone between the hard outer bone and the Bone marrow, marrow of their limbs. ...
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NHM - Dinosaurier Eier 2
NHM may refer to: * National Health Mission, a healthcare initiative in India * Natural history museum, a scientific institution with natural history collections ** Natural History Museum, London ** Natural History Museum of Los Angeles County ** Natural History Museum, Vienna * Nederlandsche Handel-Maatschappij, the Netherlands Trading Society * NHM, a settlement thought by some to be Nahom# Link between Nahom and NHM, Nahom {{disambig ...
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