The bearing of live young. Mammals are able to generate 10 times the metabolic rate of reptiles. Mammals can be divided into groups based on their diet and physical characteristics. Eats vegetation only. Bear, wolf, fox, weasel.
Omnivores have teeth that are crushing rather than shredding or slicing.
The raccoon is an omniverous carnivore, the pig is an omniverous herbivore. Horns have a bony core that is never shed with an outer shell of hardened, keratinized hair. The outer shell of a true horn is not shed, but IS shed annually in pronghorn. Both sexes of prongohorn antelope have horns, but those of females are small. Bucks gather harems of up to 20 does.