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Form & Sentence Structure

Standard English Conventions

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1Question 1 of 23Reading & Writing

The bacterium Thiomargarita namibiensis, discovered in sediments off the Namibian coast in 1999, stores sulfur granules in its vacuole and can grow to nearly a centimeter in diameter — large enough to be seen with the naked eye. Unlike most bacteria, which complete their life cycle in hours or days, _______ can survive for extended periods under severely nutrient-deprived conditions by drawing on its internal reserves.

Which choice completes the text so that it conforms to the conventions of Standard English?