I'm not sure what the options are for an answer but based on what I remember from my ENTO class, it would be secondary myiasis.
It seems that you have missed the necessary options to answer this question, but anyway here is the answer. Since the person spends several days in a hot, dry desert environment with little water available to drink, the kidneys' function during this time is that, the amount of urine produced is decreased in order to maintain the proper amount of water in the bloodstream. Hope this answer helps.
<span>d. subsistence strategy.</span>
