Trivia: How Much Do You Actually Know About Biodiversity?

10 Questions | Total Attempts: 345

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Trivia: How Much Do You Actually Know About Biodiversity?

Biodiversity refers to the variety of life. It is seen in the number of species in an ecosystem or on the entire Earth. It boosts ecosystem productivity where each species, no matter how small, all have a crucial role to play. This quiz is worth 10 points. Let's try out this quiz. All the best!


Questions and Answers
  • 1. 
    Which of the following is NOT true concerning past mass extinctions?
    • A. 

      Many species disappear forever.

    • B. 

      All living things are destroyed.

    • C. 

      Recovery takes millions of years.

    • D. 

      Environmental conditions may be changed after mass extinctions.

    • E. 

      Biodiversity is reduced

  • 2. 
    The sixth major extinction that is currently underway is being caused by
    • A. 

      Asteroid impact

    • B. 

      Human activity

    • C. 

      Spiritual forces

    • D. 

      Tectonic change

    • E. 

      Inclement weather

  • 3. 
    Which of the following is NOT true concerning habitat fragmentation?
    • A. 

      It increases the habitat's boundaries.

    • B. 

      It splits the population into smaller, most successful breeding groups.

    • C. 

      It makes the population more vulnerable to predation.

    • D. 

      It may reduce the availability of food resources.

    • E. 

      It tends to reduce biodiversity.

  • 4. 
    Endemic species many times cannot compete with _________ species.
    • A. 

      Ecoregion

    • B. 

      Island

    • C. 

      Exotic

    • D. 

      Endangered

    • E. 

      Rare

  • 5. 
    Habitats with unique species that are in the greatest danger of extinction describes
    • A. 

      Biomes

    • B. 

      Habitat islands

    • C. 

      Riparian zones.

    • D. 

      Coral reefs

    • E. 

      Hot spots

  • 6. 
    Which of the following is NOT practiced in strip logging?
    • A. 

      A narrow corridor of trees is cut.

    • B. 

      Previously cut corridors are allowed to regrow.

    • C. 

      Large areas are "clear cut."

    • D. 

      The logging road lies above the cleared area.

    • E. 

      The cleared corridor parallels the contours of the land.

  • 7. 
    Which of the following would LEAST likely be defined as an ecoregion?
    • A. 

      North central Louisiana

    • B. 

      Pacific island

    • C. 

      Riverbank

    • D. 

      Homeowner's backyard

    • E. 

      Coral reef

  • 8. 
    A riparian zone would most likely be found
    • A. 

      Along the banks of a river or stream.

    • B. 

      On a seashore.

    • C. 

      At the mouth of a river.

    • D. 

      Where two bodies of water join.

    • E. 

      Along an irrigation ditch.

  • 9. 
    Organisms that offer warning of impending loss of biodiversity
    • A. 

      Endangered species

    • B. 

      Habitat conservation

    • C. 

      Strip logging

    • D. 

      Indicator species

    • E. 

      Riparian zone

  • 10. 
    Conservation method of harvesting trees on sloping terrain
    • A. 

      Endangered species

    • B. 

      Habitat conservation

    • C. 

      Strip logging

    • D. 

      Indicator species

    • E. 

      Riparian zone