SECTION 2 TIME—25 MINUTES 18 QUESTIONS DIRECTIONS
1.
The passage is primarily concerned with
(C) identify a factor that helps herbivore populations
thrive
(A) describing the effects of human activities on
algae in coral reefs
(D) indicate a cause of decreasing nutrient input in
waters that reefs inhabit
(B) explaining how human activities are posing a
threat to coral reef communities
(E) identify members of coral reef communities that
rely on coral reefs for nutrients
(C) discussing the process by which coral reefs
deteriorate in nutrient-poor waters
(D) explaining how coral reefs produce food for
themselves
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(E) describing the abundance of algae and filter-
feeding animals in coral reef areas