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Uploaded by sakriyaronaldo on Apr 16, 2009
Evolution of Birds. this is another video. http://www.youtube.com/watch?v=7cFYBW4r5fQ for another...
Science & Technology
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many types dinosaurs had hollow bones too.
there is also strong evidence that they also had a lung system like birds.
there is no such thing as half-bird half-reptile. birds ARE reptiles, just like mammals are synapsids. both reptiles and synapsids are amniotes.
just like there is no such thing as a half-ape man. man is still an ape, just like we are mammals.
yellowdart137 1 year ago 2
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many types dinosaurs had hollow bones too.
there is also strong evidence that they also had a lung system like birds.
there is no such thing as half-bird half-reptile. birds ARE reptiles, just like mammals are synapsids. both reptiles and synapsids are amniotes.
just like there is no such thing as a half-ape man. man is still an ape, just like we are mammals.
yellowdart137 1 year ago 2