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- 1. Multiple ChoiceMarine snow is a source ofoxygenfoodlightbacteria
- 2. Multiple ChoicePrior to 1977 why did scientists believe that only very basic life forms lived in the deep ocean?currents are too strongpoisonous gasesno food sourcestoo cold of temperature
- 3. Multiple ChoiceWhy were scientists surprised to find the Garden of Eden near the hydrothermal vents?they thought that environment could not support lifevents were expected to existcreatures there were just like creatures on landthe scientists were geologists, not biologists
- 4. Multiple ChoiceWhat is one way technology is making ocean research easier?newer cameras that are smaller and less expensivelarger and faster undersea vehiclesunmanned vehicles can be usedvideo footage of dives can be sent to other scientists
- 5. Multiple ChoiceHow do seep communities affect earth's climate?they stop greenhouse gas from escapingthey leak cold airthey form around oil and natural gasthey release methane into atmosphere
- 6. Multiple ChoiceWhat can scientists conclude from seeing the same species at whale falls, cold seeps, and hydrothermal vents?the communities develop the same in all 3 habitatsspecies use whale falls as stepping stones from one habitat to anotherwhale falls support all specieseach habitat is isolated by distance
- 7. Multiple Choicecache is somethingwith moneyhiddendestroyedfound
- 8. Multiple Choicegeysers area gas leakundersea habitatchemical processnatural hot spring
- 9. Multiple Choicea meager meal ishugedeliciousblandinsufficient
- 10. Multiple Choicewhen things decompose theybreak downchange colorchange sizedie
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