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Food Chains and Webs Questions - All Grades

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Grade 10 Food Chains and Webs
These mammals are all omnivores EXCEPT
  1. mice.
  2. foxes.
  3. seals.
  4. raccoons.
Grade 9 Food Chains and Webs
How many levels can a food chain generally sustain?
  1. less than four
  2. no more than six
  3. more than seven
  4. more than eight
Grade 9 Food Chains and Webs
The web of life is dependent upon plants.
  1. True
  2. False
Grade 4 Food Chains and Webs
A porcupine eats roots and leaves. It is a producer.
  1. True
  2. False
Grade 10 Food Chains and Webs
Which factor is required by autotrophs?
  1. carbon dioxide and water
  2. chlorophyll
  3. sunlight
  4. all of the above
Grade 9 Food Chains and Webs
The base of the food webs in the benthic zone is
  1. salt.
  2. oxygen.
  3. sunlight.
  4. dead matter.
Grade 10 Food Chains and Webs
All organisms that consume other organisms are
  1. producers.
  2. autotrophs.
  3. decomposers.
  4. heterotrophs.
Grade 10 Food Chains and Webs
How do ALL consumers get their energy?
  1. from inorganic chemicals like hydrogen sulfide
  2. from eating organisms that are living or were once living
  3. directly from the sun
  4. from eating primary producers
Grade 9 Food Chains and Webs
Which type of organisms eat or break down dead things?
  1. carnivores
  2. detritivores
  3. omnivores
  4. producers
Grade 9 Food Chains and Webs
The movement of energy through living systems differs from the movement of nutrients because
  1. energy flows in one direction, whereas nutrients recycle.
  2. energy recycles, whereas nutrients flow in one direction.
  3. energy forms chemical compounds, whereas nutrients are lost as heat.
  4. energy is limited in the biosphere, whereas nutrients are always available.
Grade 10 Food Chains and Webs
What is the first level of heterotrophs that eat the primary producers?
  1. primary consumers
  2. autotrophs
  3. decomposer
  4. secondary consumers
Grade 8 Food Chains and Webs
Which organism receives the LEAST amount of energy from producers?
  1. acorn
  2. squirrel
  3. raccoon
  4. fox
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