Food Webs – Quiz #2

Standard/element covered:

S7L4: Students will examine the dependence of organisms on one another and their environments.

  1. Demonstrate in a food web that matter is transferred from one organism to another and can recycle between organisms and their environments.
  2. Explain in a food web that sunlight is the source of energy and that this energy moves from organism to organism.

Answer the following questions by bubbling in the correct answer on your answer document.

Use the diagram of a simple food chain to answer questions 1-4.

  1. Which organism obtains energy directly from the grasshopper?
  2. Grass
  3. Snake
  4. Hawk
  5. Fungi
  6. Which organism in the food chain is the decomposer?
  7. Grass
  8. Snake
  9. Hawk
  10. Fungi
  1. Which organism is the tertiary consumer?

A.Grasshopper

B.Snake

C.Hawk

D.Grass

  1. Which organism is the producer?

A.Grass

B.Grasshopper

C.Snake

D.Hawk

Continue to next page 

  1. Which food might a first-level consumer eat?

A.Fish

B.Bacteria

C.Corn

D.Worms

  1. In an ecosystem, plants use the sun’s energy to ______.

A.Make sugars

B.Create more energy

C.Release decomposers

D.Create carbon and nitrogen

  1. About how much energy is passed on to each successive trophic level in an ecosystem?

A.10%

B.25%

C.50%

D.100%

Use the diagram below to answer questions 8-10

  1. Which set of organisms in this energy pyramid has the greatest amount of available energy?
  2. Plants
  3. Rats
  4. Snakes
  5. Eagle
  6. Which trophic level do primary consumers belong to?
  7. First
  8. Second
  9. Third
  10. Fourth

Continue to next page 

  1. Which organism is the secondary consumer? (use the diagram from the previous page)
  2. Plants
  3. Rats
  4. Snakes
  5. Eagle
  6. Which word below describes the mammals, fish, birds and plants that live in an environment?
  7. Abiotic factors
  8. Biotic factors
  9. Population factors
  10. Ecosystem factors
  11. What are the five levels of organization in the environment, from the smallest to the broadest level.
  12. Organism, population, community, ecosystem, biosphere
  13. Biosphere, population, community, organism, ecosystem
  14. Organism, biosphere, population, ecosystem, community
  15. Ecosystem, biosphere, community, population, organism
  16. Which of the following is an abiotic factor?
  17. Water
  18. Snail
  19. Water lily
  20. Fish
  21. Which of the following statements about food chains is true?
  22. A producer uses energy from other organisms to make its own food.
  23. A primary consumer can only obtain energy from a tertiary consumer.
  24. An organism can be many different levels of consumers based on what food chains they are included in an ecosystem.
  25. Tertiary consumers hold the most amount of energy in a food chain.
  26. A rabbit eats some grass. A fox eats that rabbit. A wolf comes along and eats the fox. What is this an example of?
  27. A food chain
  28. Abiotic factors
  29. A fossil record
  30. Decomposers
  31. A flower that gains energy from the sun is known as a ______.
  32. Carnivore
  33. Producer
  34. Consumer
  35. Omnivore
  1. Which BEST describes a habitat? A habitat is where an organism ______.

A.Mates

B.Plays

C.Lives

D.Adapts

Continue to next page 

  1. A biosphere contains all of the following except ______.

A.Water

B.Top of crust

C.Center of Earth

D.Atmosphere

  1. In a food web, arrows point in only one direction. Why is this?

A.The arrows show which organism is bigger

B.The arrows show which species are related

C.The arrows show how energy is transferred from one organism to another

D.The arrows show how energy is produced differently within each organism

  1. All of the family members, pets, and plants in a household create a(n) ______.

A.organism

B.community

C.population

D.big mess 

The End 