In 1998, paleoanthropologist rick potts published an article in the yearbook of physical anthropology, a peer-reviewed journal. the article was titled “environmental hypotheses of hominin evolution.” which statement about rick potts would most increase his authority? potts has read hundreds of websites about human evolution. potts has been interested in human evolution since a very young age. potts is the director of the smithsonian’s human origins program. potts has posted on many blogs about human evolution.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.