TOEFL Reading: ETS-TOEFL阅读机经 - 8K6POE9U06E3BYESL$

Paragraph 7 mentions all of the following as effects of predation on the community structure of coral reefs EXCEPT: A. Corals are advantaged when predators prefer to attack competitors or corals. B. Faster-growing corals are prevented from overgrowing slower-growing corals when faster-growing species are preferred by competitors. C. Predation contributes to the sediment deposit of the reef. D. Small invertebrates are exposed to competitively superior organisms.