G8Bi 4.3 Living in the Dark (Post-Reading Questions)
Quiz by Janette Salinas
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20 questions
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- Q1What 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.30s
- Q2What 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.30s
- Q3Where 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.30s
- Q4Which of the following animals is not typically found at a whale fall?Sharks.Octopus.Hagfish.Crabs.30s
- Q5How long does a whale fall ecosystem typically last?Only a few weeks.Several years.Decades or more.Several months.30s
- Q6Which 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.30s
- Q7What 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.30s
- Q8Why 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.30s
- Q9What are hydrothermal vents?GlaciersVolcanoesUnderwater hot springsWaterfalls30s
- Q10What do hydrothermal vents emit?Minerals and gasesPlants and animalsOil and gasWater and sand30s
- Q11What type of organisms are found near hydrothermal vents?SharksDolphinsThermophilic bacteriaFish30s
- Q12What is the color of hydrothermal vent water?BlueGreenRedBlack30s
- Q13What are cold seeps?Areas where methane and other hydrocarbons escape from the seafloorAreas where hot lava erupts from the seafloorAreas where freshwater springs emerge from the seafloorAreas where warm water continuously flows from the seafloor30s
- Q14What types of organisms are commonly found at cold seeps?Phytoplankton, fish, and jellyfishSeagulls, crabs, and clamsChemosynthetic bacteria, tube worms, and musselsSharks, dolphins, and whales30s
- Q15What 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 methaneThe bacteria and tube worms compete for resources and territoryThe bacteria provide food for the tube worms, and the tube worms provide habitat for the bacteriaThe bacteria cause disease in the tube worms, which in turn provide nutrients for other organisms30s