Mammals metabolize ammonia into a molecule called urea: As you can see, this molecule contains two atoms of nitrogen. Although it requires metabolic energy to build, it also is less toxic than ammonia, and it requires less water to flush from the system.Your urine's main nitrogenous waste product is urea.ammals metabolize ammonia into a molecule called urea: As you can see, this molecule contains two atoms of nitrogen. Although it requires metabolic energy to build, it also is less toxic than ammonia, and it requires less water to flush from the system.
Tree squirrels are squirrels that live in trees and ground squirrels, like chipmunks and prairie dogs, are squirrels that live in the ground. As a general rule, tree squirrels have longer life spans than ground squirrels.1.
The arctic ground squirrel's main habitat is the arctic tundra. The squirrels live in the sandy soil for easy digging and good drainage. The arctic ground squirrel's main habitats are on mountain slopes, river flats, banks, lakeshores and tundra ridges.The arctic ground squirrel's over all length is 1-1.3 feet long and the tail length is 3-5 inches.Their average weight is 23-28 ounces. The arctic ground squirrel is oval shaped. The color of the arctic ground squirrel's coat is gray, spotted with white and is light brown with touches of cinnamon.rctic ground squirrels are social animals. Groups of arctic ground squirrels are called colonies and a male leads the group. Arctic ground squirrels do not migrate but males will some times immigrate to different colonies. The life span of males is six years and the life span of females is eleven years.