Explanation
The presence of predators of zooplankton feeding near the surface during the day would suggest that D. galeata is consumed at a higher rate than D. hyalina: this would explain why D. hyalina is often more numerous, so Choice B is correct. Choices C and E are incorrect because although they help to explain why the two zooplankton reproduce at different rates, they do not help to resolve the apparent paradox. Choices A and D are incorrect because nothing is said in the paragraph to show the relevance of the presence of other species of zooplankton, nor of the habit of clustering under vegetation, to the relative population size of the two species.
对于新gre逻辑阅读,考生除了采取题海战术,其实更应该做的就是总结。如果能从平日的练习中找到解新gre逻辑阅读题的思路,那么,要比采取题海战术更好。
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