Which of the following is not an example of interactions between biotic and abiotic factors in an ecosystem?
(a) flowers opening at dawn and closing at night
(b) bears hibernating in winter
(c) male elk fighting over a female
(d)monarch butterflies migrating to mexico for the winter

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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.  

trachea, alveoli, lung capillaries, arteries

the answer is :