What are mutations and how do they occur? Explain their effects on organisms.

Mutations are changes in the genetic code of the organism, for better or worse. They can help an organism adapt to a new environment, or could hamper the organism's abilities to eat, reproduce, move, etc.

no they are not always accurate because they can not give you a specific fortune reading they can not tell you exactly what’s gunna happen

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.