Ecosystems And Biomes Exam- 8th Grade Ngss

48 Questions | Total Attempts: 1106

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Ecosystems And Biomes Exam- 8th Grade Ngss - Quiz

Earth is a fascinating planet, and this can be because it is the only planet in our solar system that is capable of sustaining life. These living things exist in specific biomes, and each has its characteristics. The quiz below is designed to help you see how much you know about ecosystems and biomes in preparation for the 8th-grade exams.


Questions and Answers
  • 1. 
    In the following food chain, which organism is the secondary consumer?grass ------> rabbit -------> snake ------> hawk
    • A. 

      Grass

    • B. 

      Rabbit

    • C. 

      Snake

    • D. 

      Hawk

  • 2. 
    Which of the following cannot be recycled?
    • A. 

      Nitrogen

    • B. 

      Carbon

    • C. 

      Water

    • D. 

      Energy

  • 3. 
    Sea anemones contain a venom that is used to sting and paralyze their prey. The clownfish contains an enzyme in their scales that makes them immune to the venom. This allows them to freely live in the sea anemone without being harmed. This is an example of what type of relationship?
    • A. 

      Predator-prey

    • B. 

      Mutualism

    • C. 

      Commensalism

    • D. 

      Parasitism

  • 4. 
    Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called
    • A. 

      Producers

    • B. 

      Consumers

    • C. 

      Decomposers

    • D. 

      Scavengers

  • 5. 
    The amount of energy that is passed from one organism to the next in a food chain is
    • A. 

      5%

    • B. 

      10%

    • C. 

      15%

    • D. 

      20%

  • 6. 
    On what trophic level would you find organisms that use the sun's energy directly to make their own food?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 7. 
    In the terrestrial food web above, what would be the effect of a farmer introducing a rat poison in to the ecosystem that is toxic to rats and mice?
    • A. 

      The population of fox would decrease

    • B. 

      The population of grasshoppers would decrease

    • C. 

      The population of hawks would increase

    • D. 

      The population of rabbits would decrease

  • 8. 
    An animal that only eats the flesh of another animal is called a
    • A. 

      Producer

    • B. 

      Herbivore

    • C. 

      Carnivore

    • D. 

      Omnivore

  • 9. 
    Which of the following statements is true about matter and energy?
    • A. 

      Matter is not recycled; energy is recycled

    • B. 

      Matter is recycled; energy is not recycled

    • C. 

      Both matter and energy are recycled

    • D. 

      Neither matter nor energy are recycled

  • 10. 
    The ultimate source of energy for all organisms in life is
    • A. 

      Water

    • B. 

      Oxygen

    • C. 

      Nitrogen

    • D. 

      The sun

  • 11. 
    Which of the following is considered the main source of excess carbon dioxide in the atmosphere leading to the destruction of the ozone layer?
    • A. 

      Carbon gas released into the atmosphere from factories and cars

    • B. 

      Carbon dioxide being released from animals during the process of cellular respiration

    • C. 

      Carbon gas released into the soil through the process of decomposition

    • D. 

      Carbon dioxide released into the oceans during deposition and decomposition

  • 12. 
    All of the following are ways that we can protect the biosphere except
    • A. 

      Recycling

    • B. 

      Protecting waterways from the dumping of illegal chemicals

    • C. 

      Burning fossil fuels

    • D. 

      Decreasing the process of deforestation

  • 13. 
    Which of the following organisms is an autotroph?
    • A. 

      Algae

    • B. 

      A bear

    • C. 

      A cheetah

    • D. 

      A fish

  • 14. 
    A group of similar ecosystems with the same general abiotic factors and primary producers is called a ____________________.
  • 15. 
    _________________is the average weather in an area over a long period of time.
  • 16. 
    Major temperature changes are based on
    • A. 

      Land masses

    • B. 

      Climate

    • C. 

      Latitude

  • 17. 
    Land near the ocean may have
    • A. 

      Colder winters and warmer summers

    • B. 

      Cooler summers and warmer winters

    • C. 

      Warmer winters and warmer summers

    • D. 

      Cooler summers and cooler winters

  • 18. 
    Precipitation increases moisture in a climate.
    • A. 

      True

    • B. 

      False

  • 19. 
    Evaporation increases the moisture in a climate.
    • A. 

      True

    • B. 

      False

  • 20. 
    Nearness to the ocean and mountain ranges may also influence the amount of precipitation an area receives
    • A. 

      True

    • B. 

      False

  • 21. 
    The major producers in terrestrial biomes are
    • A. 

      Mice

    • B. 

      Birds

    • C. 

      Plants

    • D. 

      Rabbits

  • 22. 
    ____________ biomes which are limited by the availability of sunlight and the concentration of dissolved nutrients in the water.
  • 23. 
    Water near the bottom of the lakes and oceans may contain more nutrients than water closer to the surface.
    • A. 

      True

    • B. 

      False

  • 24. 
    Freshwater biomes have water that contains little or no _______________________.
  • 25. 
    _____________________ is an area that is saturated with water or covered by water for at least one season of the year.
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