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Ninth Grade (Grade 9) Food Chains and Webs Questions

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Grade 9 Food Chains and Webs
Each step in a food chain or food web is represented by a(n)                    .
  1. biomass pyramid.
  2. ecological pyramid.
  3. energy pyramid.
  4. trophic level.
Grade 9 Food Chains and Webs
Which organisms can be found at the first, or lowest, trophic level?
  1. herbivores
  2. carnivores
  3. heterotrophs
  4. autotrophs
Grade 9 Food Chains and Webs
Herbivores eat only meat.
  1. True
  2. False
Grade 9 Food Chains and Webs
Which kind of organisms have the greatest amount of potential energy?
  1. consumers
  2. producers
  3. herbivores
  4. carnivores
Grade 9 Food Chains and Webs
Plants are producers.
  1. True
  2. False
Grade 9 Food Chains and Webs
What is composed of several food chains in an ecosystem that intersect and depend on one another?
  1. niche
  2. feeding level
  3. energy pyramid
  4. food web
Grade 9 Food Chains and Webs
Energy is lost from one organism to another as
  1. heat.
  2. waves.
  3. sound.
  4. dispersion.
Grade 9 Food Chains and Webs
What is the ultimate source of energy in any food chain?
  1. the sun
  2. producers
  3. consumers
  4. decomposers
Grade 9 Food Chains and Webs
Herbivores are lower on the food chain than producers.
  1. True
  2. False
Grade 9 Food Chains and Webs
A                 is a feeding stage within a food chain or food web.
  1. kill zone
  2. food level
  3. trophic level
  4. benthic zone
Grade 9 Food Chains and Webs
A consumer is an organism that can make its own food.
  1. True
  2. False
Grade 9 Food Chains and Webs
Which of the following is a true statement about ecosystems?
  1. Ecosystems are easily understood.
  2. Ecosystems are complex with many interlocking parts.
  3. Ecosystems are not affected by human activity.
  4. Ecosystems never adapt or change to new factors.
Grade 9 Food Chains and Webs
Which statement describes an autotroph?
  1. It is an organism that makes its own food.
  2. It is an organism that eats other organisms.
  3. It is an organism that eats decaying matter.
  4. None of the above.
Grade 9 Food Chains and Webs
A(n)                  is an organism that obtains energy form the food it consumes.
  1. autotroph
  2. heterotroph
  3. photosynthesizer
  4. phototroph
Grade 9 Food Chains and Webs
What is a producer?
  1. any organism
  2. any organism that obtains energy
  3. any organism that obtains energy from other life forms
  4. any organism that produces its own food
Grade 9 Food Chains and Webs
What does an herbivore eat?
  1. meat
  2. plants
  3. meat and plants
  4. decomposing organic matter
Grade 9 Food Chains and Webs
What does an omnivore eat?
  1. meat
  2. plants
  3. meat and plants
  4. decomposing organic matter
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