Mammals http://www.youtube.com/watch?v=b7QSwAhMuUY http://www.youtube.com/watch?v=tyqnxP7mzBA
Mammals Characteristics Body mostly covered with hair, but reduced in some Sweat, scent, sebaceous and mammary glands 3 middle ear bones and 7 cervical vertebrae Deciduous teeth and permanent teeth Moveable eyelids and fleshy external ears 4-chambered heart Voice box and highly developed brain and cranial nerves Endothermic and homeothermic Separate sexes- sexual organs (penis and testes) Young are live when born and nourished by milk from mammary glands
Bats
Mice
Whales, dolphins, seals, walrus
Koalas
Bears
Fox
Beaver
Rhino