User:Lee yun betty/sandbox/life zones

Life Zone
According to C. Hart Merriam, life zone was developed to describe areas with similar plants and animals communities. This changes are observed when there is an increase in latitude but a constant elevation and also an increase in elevation at a constant latitude.

Merriam's Life zone:

* Lower Sonoran Life Zone * Upper Sonoran Life Zone * Transition Life Zone * Canadian Life Zone * Hudsonian Life Zone * Arctic- Alpine Life Zone

Upper Sonoran Life Zone: Upper Sonoran is described as desrt steppe or chapparral and transition which are like open woodland. it contains grasslaands and woodlands. Some common mammals include the Pronghorn (Antilocapra americana), sometimes wrongly called antelope, the Cliff Chipmunk (Tamias dorsalis), and Black-tailed Prairie Dog (Cynomys ludovicianus). Some of the plants found in the upper soronan is sagebrush, scrub oak, Colorado pinyon,