The passage supplies information for answering which of the following questions? A. Do invertebrate predators with full mobility address nutrient needs in the same fashion as sit-and-wait invertebrate predators with limited mobility? B. Why would there be a considerable variation in nutrient composition within prey of a given species? C. Is all of the nutrient content of invertebrate prey contained in the dry mass? D. What would a wolf spider do if a fly it was eating contained a higher proportion of a certain nutrient than was present in the spider's recent prey? E. How is a wolf spider able to determine that some prey it is eating contains a higher proportion of a nutrient that was deficient in the previous prey?