**Recent studies on coral reefs show that small protected areas, when networked through migration corridors, can support biodiversity rivaling that of much larger but isolated reserves.** The main idea of the text is that:
AMigration corridors are dangerous
BCoral reefs are dying
CMarine biology research is expensive
DConnected small reserves can be as effective as larger isolated ones for biodiversity
Answer & Solution
Correct answer: D. Connected small reserves can be as effective as larger isolated ones for biodiversity
The passage compares connected small reserves with larger isolated ones and asserts they can be equally effective. Option B captures this. Others are not supported by the text.
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