1. Immersion: Secrets of the Gulf Pre-Test

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* 1. The Branch I attend is:

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* 2. What did researchers study while on their Secrets of the Gulf expedition?

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* 3. Dr. Ballard's expedition took him to what body of water?

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* 4. What is a salt dome?

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* 5. How does coral catch their food?

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* 6. What type of environment does coral need to survive?

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* 7. What is a producer?

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* 8. How do researchers tell manta rays apart?

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* 9. What makes underwater lakes possible?

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* 10. What device helps scientists see the ocean floor by sending sound waves?

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* 11. What is a marine biologist?

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