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.
Confidence votes 132. A lynx lives in North America In the Northern Parts this includes the states:Colorado, North Carolina, Maine, Minnesota, Montana, Wyoming, Washington, South Dakota, and Idaho. It lives in burrows and caves and is nocturnal. It lives in the woods in the country and is highly dangerous. Forests, artic, and prarries. Lynx usually live in snowy areas but if not they live in forests.   Forests, artics and praries. and probably other places. a lynx li â¦ ves in noth america including colorado,minesota,and maine. 7 people found this useful.