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Paired Passages—Atlantic Ocean Wildlife
A baby loggerhead sea turtle hatches in its nestburied deep in the sand. Soon, it emerges onto thebeach with its siblings. The palm-sized creaturesventure across the sand and into the waves of05the Atlantic Ocean. The tiny turtles must vanishquickly to avoid the many predators looming onthe dunes or near the water. Seagulls, raccoons, andother animals are eager to make a meal out of thebrand-new hatchlings.10Until now, scientists have been unable to trackwhere baby sea turtles go once they reach the water.Small satellite transmitters have allowed olderloggerheads to be tracked and studied from afar,giving researchers a window into their migration15patterns, their social behaviors, and other patternsthat can be difficult to track in the ocean. But thetravels of a newly hatched sea turtle have remaineda mystery.Scientists on the island of Boa Vista, off the coast20of West Africa, have successfully tagged elevenhatchlings with nanoacoustic tags. This has allowedscientists to follow the baby turtles for their firsteight hours in the ocean. The tags, which send aping that the researchers can then plot, are glued25to the shells of the baby loggerheads. The glue wasspecifically designed to dissolve completely withina few days. The tags are small enough to avoidinterfering with the turtles' swimming.The hatchlings surprised scientists with their30speed. Once the turtles found the ocean currentsthat would transport them, they could travel ata speed of nearly 200 feet per minute. In the firsteight hours of their journeys, some traveled morethan nine miles. Tagged turtles released in various35locations all eventually made their way to theSargasso Sea in the Northern Atlantic Ocean. Here,they become part of the floating ecosystem, eatingbite-sized prey and using the sargassum seaweedas rafts. They can sometimes spend up to a decade40here before returning to the shores where theyhatched. The use of nanoacoustic tags should helpprotect this endangered species by giving scientistsmore information about these turtles and whenthey are most vulnerable.
1. The central idea of Passage 1 is that
2. In the context of Passage 2, it can be inferred from the phrase "needs to be done" (line 81) that the author thinks
3. Passage 1 most strongly suggests that which of the following is true of the scientists' usage of nanoacoustic tags?
4. Which choice provides the best evidence for the answer to the previous question?
5. Passage 2 most strongly suggests that which of the following is true of the importance of the Sargasso Sea research?
6. Which choice provides the best evidence for the answer to the previous question?
7. What is the main difference between the purpose of Passage 1 and the purpose of Passage 2?
8. As used in line 44 of Passage 1, "vulnerable" most nearly means
9. As used in line 78 of Passage 2, "classified" most nearly means
10. The author uses such words as "great," "vast," and "immense" in Passage 2 in order to emphasize that
11. Which generalization is supported by both passages?
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