SAT OwlTardigrades are tiny animals, less than a millimeter long, that can survive extreme conditions. When their environment dries out, they curl into a dormant state called a tun. Researchers have revived tardigrades that had been kept dry for more than a decade simply by adding water. This ability suggests that tardigrades ______
Which choice most logically completes the text?
need to eat every day to stay alive.
are the largest animals that can survive drought.
can survive long periods without water by becoming dormant.
die soon after they are exposed to water.
Show answer and explanation
Answer: C
Tardigrades enter a dormant state when dry and can be revived after more than ten years. So they can survive long dry periods by going dormant, as choice C says.
Choice D reverses the evidence: adding water revives tardigrades rather than killing them.
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