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7th

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Living in the Dark

394

10 questions

  • 1. Multiple Choice
    30 seconds
    1 pt
    Marine snow is a source of
    oxygen
    food
    light
    bacteria
  • 2. Multiple Choice
    30 seconds
    1 pt
    Prior to 1977 why did scientists believe that only very basic life forms lived in the deep ocean?
    currents are too strong
    poisonous gases
    no food sources
    too cold of temperature
  • 3. Multiple Choice
    30 seconds
    1 pt
    Why were scientists surprised to find the Garden of Eden near the hydrothermal vents?
    they thought that environment could not support life
    vents were expected to exist
    creatures there were just like creatures on land
    the scientists were geologists, not biologists
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