Food Webs & Chains
  • 1. What is a food chain?
A) A pathway showing what animals are always bigger than the others
B) A pathway indicating the flow of food energy in an ecosystem.
C) A pathway that follows food as it grows from a seed to a large plant.
D) A string of food connected with tiny links of chain
  • 2. Why does a food chain begin with plants?
A) Because they produce food from light energy not from other animals.
B) Because plants eat dirt for a living
C) Because they are soft and easy for animals to eat
D) Because there is no lower form of life in the food chain.
  • 3. The last component of the food chain is a:
A) Consumer
B) Predator.
C) Decomposer.
D) Heterotroph.
  • 4. The further along the food chain you go, the less food (or energy) remains available for consumers.
A) True
B) False
  • 5. The different levels in a food chain are called trophic levels.
A) False
B) True
  • 6. What is the driving source that starts the food chain?
A) The sun.
B) Water.
C) Fire.
D) Good soil.
  • 7. How does a plant get input or food from the decomposers?
A) They draw fertilizer from the soil.
B) They don't, it's all about the sun's energy.
C) Decomposers break down organic compounds into simple nutrients.
D) The decomposers build complex proteins and amino acids that are eaten by primary consumers.
  • 8. Which of the following is not a consumer in the food chain?
A) Autotrophs.
B) Quaternaries.
C) Heterotrophs.
D) Scavengers.
  • 9. Why must the second organism in a food chain be a herbivore?
A) Cows do not like hamburgers.
B) Not true, they can be carnivores.
C) It only eats plants.
D) The energy needs of decomposers is different.
  • 10. What animal is a scavenger?
A) Hawk.
B) Eagle.
C) Vulture.
D) Owl.
  • 11. What is a food web?
A) A web of foods that taste good together.
B) Like a spider web, it's where food is caught by other animals.
C) A way to connect biomes and weather patterns.
D) A map of food chains that are somehow connected.
  • 12. Which of the following are decomposers?
A) Mushrooms, algae, and some bacteria
B) Ants, mice and fungi.
C) Hot temperatures and lots of moisture.
D) Vultures, mice and snakes.
  • 13. Which food chain correctly describes the flow of energy in an ecosystem?
A) Grass - Mouse - Cow
B) Grass - Mouse - Algae
C) Grass - Cow - Owl
D) Grass - Cow - Human
  • 14. Rabbits eat grass and other plants to survive. What kind of animal are they?
A) Scavengers.
B) Herbivores.
C) Omnivores.
D) Carnivores.
  • 15. This animal eats both plants and animals.
A) Omnivores.
B) Carnivores.
C) Predators.
D) Herbivores.
  • 16. This animal finds already dead animals to eat.
A) Autotrophs.
B) Omnivores.
C) Predators.
D) Scavengers.
  • 17. This animal eats both herbivores and carnivores.
A) Omnivores.
B) Carnivores.
C) Producers.
D) Herbivores.
  • 18. These organisms break down the remains of dead organisms and their wastes.
A) Omnivores.
B) Carnivores.
C) Decomposers.
D) Producers.
  • 19. Green plants get food by:
A) Going dormant during hot weather.
B) Using sunlight to make their own food.
C) Eating insects and other producers.
D) Absorbing water and CO2 through its root system.
  • 20. All living things get everything that they need to eat from:
A) Producers.
B) Their parents.
C) Their habitat.
D) Water.
  • 21. All of the different kinds of animals that live together in the same place make up a:
A) Community.
B) Ecosystem.
C) Biome.
D) Neighbors.
  • 22. Living things that cannot make their own food are called:
A) Producers.
B) Heterotrophs
C) Very hungary.
D) Autotrophs.
  • 23. A bear that ate a fish that ate bugs that ate algae is a:
A) Secondary consumer.
B) Tertiary consumer.
C) Primary producer.
D) Primary consumer.
  • 24. If a person eats a vegetable, that person is acting as a:
A) Tertiary consumer.
B) Secondary consumer.
C) Primary producer.
D) Primary consumer.
  • 25. If a person eats a steak, from a cow, the person is acting as a:
A) Primary consumer.
B) Tertiary consumer.
C) Primary producer.
D) Secondary consumer.
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