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G8Bi 4.3 Living in the Dark (Post-Reading Questions)

Quiz by Janette Salinas

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20 questions
Show answers
  • Q1
    What is a whale fall?
    The carcass of a dead whale that has sunk to the ocean floor.
    A rare species of whale.
    A whale that has washed up on a beach.
    A type of whale migration pattern.
  • Q2
    What happens to a whale carcass during a whale fall?
    It creates a unique ecosystem that supports a variety of marine life.
    It remains intact and slowly decomposes over time.
    It has no effect on the surrounding marine environment.
    It is quickly consumed by scavengers such as sharks.
  • Q3
    Where do most whale falls occur?
    On the surface of the ocean.
    In shallow waters near the coast.
    In freshwater rivers and lakes.
    On the ocean floor, usually at depths of over 1,000 meters.
  • Q4
    Which of the following animals is not typically found at a whale fall?
  • Q5
    How long does a whale fall ecosystem typically last?
    Only a few weeks.
    Several years.
    Decades or more.
    Several months.
  • Q6
    Which of the following is not a benefit of studying whale falls?
    Discovering new species of whales.
    Learning about the process of decomposition.
    Understanding how the ocean functions as a system.
    Gaining insight into the life cycles of marine organisms.
  • Q7
    What is the primary cause of whale deaths that lead to whale falls?
    Natural causes such as old age or disease.
    Climate change.
    Marine pollution.
    Human hunting and whaling.
  • Q8
    Why are whale falls important to the marine ecosystem?
    They create a safe haven for endangered species.
    They serve as a warning sign of environmental degradation.
    They help to regulate the marine food web.
    They provide a source of nutrients to organisms that would not otherwise have access to them.
  • Q9
    What are hydrothermal vents?
    Underwater hot springs
  • Q10
    What do hydrothermal vents emit?
    Minerals and gases
    Plants and animals
    Oil and gas
    Water and sand
  • Q11
    What type of organisms are found near hydrothermal vents?
    Thermophilic bacteria
  • Q12
    What is the color of hydrothermal vent water?
  • Q13
    What are cold seeps?
    Areas where methane and other hydrocarbons escape from the seafloor
    Areas where hot lava erupts from the seafloor
    Areas where freshwater springs emerge from the seafloor
    Areas where warm water continuously flows from the seafloor
  • Q14
    What types of organisms are commonly found at cold seeps?
    Phytoplankton, fish, and jellyfish
    Seagulls, crabs, and clams
    Chemosynthetic bacteria, tube worms, and mussels
    Sharks, dolphins, and whales
  • Q15
    What is the role of the symbiotic relationship between chemosynthetic bacteria and tube worms at cold seeps?
    The tube worms consume the bacteria, which in turn consume methane
    The bacteria and tube worms compete for resources and territory
    The bacteria provide food for the tube worms, and the tube worms provide habitat for the bacteria
    The bacteria cause disease in the tube worms, which in turn provide nutrients for other organisms

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