Ecology Practice Test

120 Questions | Total Attempts: 242

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Ecology Practice Test

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Questions and Answers
  • 1. 
    Check off all the choices that are valid MAJOR characteristics of organisms.
    • A. 

      Take in materials from environment to make energy and release wastes

    • B. 

      Complicated chemical organization

    • C. 

      Complicated structural organization

    • D. 

      Complicated organ organization

    • E. 

      Contain genetic material like DNA or PNA

    • F. 

      Respond to other organisms

    • G. 

      Grow and Develop

    • H. 

      Respond to environment

    • I. 

      Reproduce asexually

    • J. 

      Communication

    • K. 

      Movement

  • 2. 
    All living things need:
    • A. 

      Sunlight

    • B. 

      A circulatory system

    • C. 

      Energy

    • D. 

      Love & companionship

  • 3. 
    Energy is electrical force.
    • A. 

      True

    • B. 

      False

  • 4. 
    The energy stored as organic molecules in organisms is called:
    • A. 

      Organismal energy

    • B. 

      Chemical energy

    • C. 

      Kinetic energy

    • D. 

      Potential energy

  • 5. 
    Free energy is energy that:
    • A. 

      Is free in the environment

    • B. 

      Is not in organisms

    • C. 

      That can do work

    • D. 

      That is found in a nitrogen compound

  • 6. 
    Raw materials that are required to make complex molecules are called __________
  • 7. 
    Check off the heterotrophs.
    • A. 

      Jellyfish

    • B. 

      Sea Urchin

    • C. 

      Kelp

    • D. 

      Otter

    • E. 

      Apple tree

    • F. 

      Grass

    • G. 

      Mushroom

    • H. 

      Opossum

  • 8. 
    Organisms that can make their own food are called _________
  • 9. 
    A kilocalorie, or Calorie, is equivelent to 1000 calories.
    • A. 

      True

    • B. 

      False

  • 10. 
    A calorimeter can be used to:
    • A. 

      Find the amount of energy in a food

    • B. 

      Liquefy foods for consumption

    • C. 

      Measure the number of Calories in a human

    • D. 

      Break down energy

  • 11. 
    ________ is a process used by autotrophs to take carbon dioxide and water and create organic compounds for energy.
  • 12. 
    Autotrophs that use photosynthesis are known as:
    • A. 

      Plants

    • B. 

      Chlorophyll

    • C. 

      Chemoautotrophs

    • D. 

      Photoautotrophs

  • 13. 
    A process for autotrophs that uses inorganic compounds instead of light to create energy is called:
    • A. 

      Cellular respiration

    • B. 

      Chemosynthesis

    • C. 

      Photosynthesis

    • D. 

      Autosynthesis

  • 14. 
    All energy in organisms on Earth can be traced back to the ________
  • 15. 
    Autotrophs are the consumers; heterotrophs are the producers.
    • A. 

      True

    • B. 

      False

  • 16. 
    Heterotrophs that break down and use dead plants and animals for food are called  ________
  • 17. 
    A diagram that shows producers, consumers, and decomposers is a:
    • A. 

      Biosphere

    • B. 

      Food Web

    • C. 

      Foodcast

    • D. 

      Energy flow

  • 18. 
    _______ factors, or nonliving factors, such as soil, minerals, water, and weather, are necessary for organisms in a food web to survive.
  • 19. 
    Organisms are the biotic factors in a food web.
    • A. 

      True

    • B. 

      False

  • 20. 
    The abiotic and biotic factors of an area make a:
    • A. 

      Ecosystem

    • B. 

      Environment

    • C. 

      Habitat

    • D. 

      Niche

  • 21. 
    A place in an ecosystem where particular organisms live is called a _________
  • 22. 
    All ecosystems make up Earth's __________
  • 23. 
    Name the correct sequence of energy movement.
    • A. 

      Deer-->Grass-->Rabbit

    • B. 

      Grass-->Rabbit-->Deer

    • C. 

      Grass-->Rabbit-->Hawk

    • D. 

      Grass-->Rabbit-->Fox

  • 24. 
    Which organisms are the producers?
    • A. 

      Tree and grass

    • B. 

      Hawk and fox

    • C. 

      Rabbit and grass

    • D. 

      Deer and tree

  • 25. 
    Secondary consumers include:
    • A. 

      Rabbit, Hawk, Tree

    • B. 

      Hawk, Owl, Deer

    • C. 

      Hawk, Owl, Fox

    • D. 

      Tree and Grass