'Main toes' diaporamas de présentation

Evolution of Birds

Evolution of Birds. Birds have a single occipital condyle , just like reptiles. Features that unite birds and reptiles ( archosaurs ). Birds have a single inner-ear bone, just like reptiles and amphibians. Mammals have 3. Bird jaws are comprised of 5 fused bones, mammals have only 1.

2.59k views • 20 slides