The theory of punctuated equilibrium is based on the observation that
a. brief periods of intense speciation alternate with long periods of stasis
b. new species appear in the fossil record alongside their unchanged ancestors
c. evolutionary change does not seem to occur at a constant pace
d. all of the above

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

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.