charateristics+of+mammals


 * __Charateristics of Mammals__**
 * Backbone
 * Warmblooded
 * Regulated body temp.
 * Have a coat of fur
 * mammory glands
 * sound conducting bones in ear
 * 2 sets of teeth (diphyodant)
 * delayed imlantation
 * nocturnal
 * live birth
 * hetrodants (different types of teeth)
 * moveable eyelids
 * 4 limbs
 * digaphram
 * 4 chambered heart
 * internal fertlization
 * external ears
 * palate
 * well devloped brain