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Eighth Grade (Grade 8) Food Chains and Webs Questions

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Grade 8 Food Chains and Webs
Mushrooms and earthworms are                .
  1. producers
  2. consumers
  3. decomposers
  4. parasites
Grade 8 Food Chains and Webs
Which is most likely to be a primary consumer?
  1. herbivore
  2. carnivore
  3. omnivore
  4. multivore
Grade 8 Food Chains and Webs
What is a characteristic that plants share?
  1. autotrophic
  2. heterotrophic
  3. prokaryotic
Grade 8 Food Chains and Webs
What statement about food webs is true? (Select all that apply.)
  1. Producers are at the top of the food web.
  2. All first-level consumers are carnivores.
  3. Second-level consumers may be carnivores or omnivores.
  4. An organism may play more than one role in a food web.
Grade 8 Food Chains and Webs
In which direction does energy flow?
  1. producer to consumer
  2. consumer to producer
  3. both a and b
Grade 8 Food Chains and Webs
In the energy pyramid, which group forms the bottom and also has the largest number of organisms?
  1. carnivores
  2. herbivores
  3. producers
  4. consumers
Grade 8 Food Chains and Webs
A secondary consumer is a meat eater that eats
  1. primary consumers.
  2. tertiary consumers
  3. producers.
  4. secondary consumers.
Grade 8 Food Chains and Webs
What is a role of a decomposer?
  1. breaking down a dead tree branch
  2. eating mushrooms
  3. preying on field mice
  4. eating grass
Grade 8 Food Chains and Webs
Describe the amount of energy that is passed from a producer to a consumer.
  1. Consumers have more energy.
  2. Producers have more energy.
  3. The energy level stays the same.
  4. There is no energy passed.
Grade 8 Food Chains and Webs
How is energy transferred though an ecosystem?
  1. There is no energy.
  2. It does not transfer.
  3. It ends at the top predator.
  4. It transfers in a continuous cycle.
Grade 8 Food Chains and Webs
Which is most likely to be a secondary consumer?
  1. herbivore
  2. carnivore
  3. omnivore
  4. multivore
Grade 8 Food Chains and Webs
How is energy transferred though an ecosystem?
  1. There is no energy.
  2. It ends at a top predator.
  3. It transfers in a continuous cycle.
  4. It is transferred only in certain ecosystems.
Grade 8 Food Chains and Webs
Primary consumers are also known as herbivores.
  1. True
  2. False
Grade 8 Food Chains and Webs
Which type of consumer is the organism shown in the picture?
Pictograph - Eagle
  1. carnivore
  2. herbivore
  3. detritivore
  4. scavenger
Grade 8 Food Chains and Webs
How much energy is transferred from a producer to consumer?
  1. The consumer has more energy.
  2. The producer has more energy.
  3. The energy level stays the same.
  4. The energy is not transferred.
Grade 8 Food Chains and Webs
A hummingbird and a field mouse are
  1. herbivores.
  2. carnivores.
  3. omnivores.
  4. decomposers.
Grade 8 Food Chains and Webs
The source of energy that fuels most life on Earth is
  1. oil.
  2. chlorophyll.
  3. the Sun.
  4. DNA.
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