How can you determine function of a muscle simply by looking at the anatomy?

Yes, you could. Smooth muscles are spindle-shaped and have one nucleus per cell. Skeletal muscles are cylindrical –shaped, are striated, and have several nuclei per cell. Cardiac muscle is similar to skeletal muscle but is branched (bifurcated). In the anatomy, smooth muscles are used for involuntary movements (such as peristalsis) while skeletal muscles for voluntary movements

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.  

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.