Ch. 7 Lesson 2 p. 170-175
  • 1. True or false. All living things need energy to carry on life processes.
A) True
B) False
  • 2. Choose the correct sentence.
A) Consumers eat other organisms to get their food.
B) Consumers make their own food.
  • 3. What are decomposers?
A) Organisms that eat other organisms for food.
B) Organisms that make their own food from energy from the sun.
C) Organisms that get energy by breaking down the remains of dead organisms.
  • 4. An example of a consumer is a _________.
A) plant
B) rose flower
C) raspberry
D) human
  • 5. An example of a producer is a ____________.
A) bear
B) plant
C) fish
D) human
  • 6. True or false. Living things need energy to carry on life functions such as growth, movement, repair, and reproduction.
A) True
B) False
  • 7. Look at the food web on p. 172-173. What is at the top of this food web. (Hint: This means that nothing eats this organism.)
A) Common Seal
B) Mullet
C) Seaweed
D) Edible Crab
  • 8. Look at the food web on p. 172-173. Does the Herring Gull eat the Common Mussel?
A) Yes
B) No
  • 9. Make a list of two reasons why we need sunlight.
  • 10. Explain how your body gets energy from eating a salad.
  • 11. What do food chains show?
A) The menu at local restaurants.
B) Every possible way that energy passes through an ecosystem.
C) One way energy passes through an ecosystem.
  • 12. What is the connection between food chains and food webs?
A) Many food webs make up a food chain.
B) Many food chains make up a food web.
C) Food webs show only one way to get food in an ecosystem.
  • 13. What do energy pyramids show?
A) How energy moves through an ecosystem.
B) How food move through an ecosystem.
C) How animals move through an ecosystem.
  • 14. What does an energy pyramid show that a food chain does not?
A) grasses
B) planets
C) energy
D) animals
  • 15. What happens to organisms at the end of a food chain if they cannot get enough food to supply their energy needs?
A) Nothing will happen to them.
B) They will live forever.
C) They will not survive.
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