Like other birds, its upper jaw and lower jaw moved. Evolutionists believe that birds evolved from reptiles. However, birds and reptiles are different in many ways. Name some of the ways in which reptiles differ from birds. They live their whole lives in water.
Evolutionists believe that cetaceans evolved from land mammals.
One of these alleged transitional series is mentioned in Teaching about Evolution . . . This chapter analyzes this and other arguments for cetacean evolution. Cetaceans have many unique features. Name a few. Teaching about Evolution .