Scleractinian corals—stony ones like lettuce leaf corals and rice corals—are habitat builders that form the foundations of coral reef ecosystems, typically with multiple species creating a single reef. The __________ of a reef depends in large part on this redundancy, which reduces the risk of a vital function ceasing if one of the species should succumb to a vulnerability.
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Verbal·Craft and Structure·Words in Context
hardWhich choice completes the text with the most logical and precise word or phrase?
A
conformity
B
distribution
C
versatility
D
resiliency