The two main abiotic factors that determine where organisms live are

Which major biome's lack of precipitation limits plant grow and is home to cacti, mesquite, white thorn, pack rats, small reptiles, birds, antelope, lizards, fox, snakes, bob cats and coyotes?

grasses and scattered trees adapted to a tropical wet and dry climate

This biome is just south of the tundra. It contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here.

This biome contains American black bear, raccoon, porcupine, frog, and white tailed deer