Crocodilia Essays

Mammals and reptiles have been on earth for millions of years. They are both the two largest animals. Both mammals and reptiles can live together in different habitats even though there are several differences between them. A major difference reptiles and mammals have is their reproduction. Mammals are viviparous, which means they give birth to living young. When a mammal gives birth, she uses her mammary glands to nourish her young with milk. Reptiles are oviparous, they lay eggs to