Biotic And Abiotic Factors

9 Questions | Total Attempts: 612

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Biotic And Abiotic Factors

Biotic components are the living things that shape an ecosystem. A biotic factor is any living component that affects another organism, including animals that consume the organism in question, and the living food that the organism consumes. Each biotic factor needs energy to do work and food for proper growth. Biotic factors include human influence.


Questions and Answers
  • 1. 
    Which of the following would be an abiotic limiting factor for oysters living in the Chesapeake Bay? 
    • A. 

      The amount of algae

    • B. 

      the number of human collecting them

    • C. 

      The amount of sediment in the water

    • D. 

      The number of parasites

  • 2. 
    Which of the following is an abiotic factor of a desert ecosystem? 
    • A. 

      Sand

    • B. 

      Cactus

    • C. 

      Lizard

    • D. 

      Palm

  • 3. 
    Which of the following lists has ONLY biotic factors?  
    • A. 

      Snail, algae, guppy, sunlight

    • B. 

      Temperature, Daphnia, snail, guppy

    • C. 

      Temperature, pH, conductivity, nitrite concentration

    • D. 

      Snail, guppy, Daphnia, algae

  • 4. 
    Snails eating algae are examples of:   
    • A. 

      An abiotic factor limiting a biotic factor.

    • B. 

      An abiotic factor limiting an abiotic factor.

    • C. 

      An biotic factor limiting abiotic factor.

    • D. 

      An biotic factor limiting an abiotic factor.

  • 5. 
    The guppies and algae in an aquarium are examples of: 
    • A. 

      ​interacting biotic factors.

    • B. 

      Non-interacting biotic factors.

    • C. 

      non-interacting abiotic factors.

    • D. 

      Interacting abiotic factors.

  • 6. 
    Beetle Is ?
    • A. 

      Abiotic

    • B. 

      Biotic

    • C. 

      None of the above

  • 7. 
    Which of the following is a biotic factor in a pond's ecosystem? 
    • A. 

      Bacteria

    • B. 

      Dissolved oxygen

    • C. 

      Water

    • D. 

      Stone

  • 8. 
    Which of the following correctly represents an abiotic factor as the cause of a disease?  
    • A. 

      Food poisoning - due to bacteria present in food and water

    • B. 

      Arsenicosis - due to heavy metal arsenic residues present in drinking water

    • C. 

      Diarrhea - due to bacteria present in drinking water

    • D. 

      Ringworm - due to a fungal growth on the skin

  • 9. 
    Wind is an abiotic factor of an ecosystem because   
    • A. 

      It can move from one place to another.

    • B. 

      It has almost no mass.

    • C. 

      It is required for the survival of many organisms.

    • D. 

      it lacks all the characteristics of a living thing.