In a population of bison, the birth rate over one year is
fourteen. No bison immigrate into the population that
year. Twenty bison die during the harsh winter, and ten
more leave the population in search of more food. What
has occurred in this population over one year?
The size of the population has increased.
The size of the population has decreased.
The size of the population has remained the same.

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.  

cells spend most of their time in interphase