Teach young learners all about the fascinating world of reptiles with this free downloadable 5-day lesson plan.

Classification allows us to group animals ... Vertebrates, for example, are divided into mammals, birds, reptiles, amphibians and fish. Mammals are warm-blooded animals with hair or fur and ...

Tritylodontids were a mammal-like reptile group of herbivores the size of rabbits and hares. They were halfway in the evolution process from reptiles to mammals. The Ono site is the fourth in ...