Carnivores Bats 



Whales Insectivores 



Primates Hoofed Rodents Marsupials 



Mammals Edentata Duckmoles 



Radiating Adaptations Among Mammals 



Fossils record divergence among mammals in the course of millions of years, re- 

 sulting in the appearance of several classes with many species adapted to a great 

 variety of environmental conditions. Adapted from Osborn and Gregory. 



