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5 Written questions

5 Matching questions

  1. Autotroph (producer)
  2. biomass
  3. Carnivores (secondary consumers)
  4. Ecosystem
  5. Denitrification
  1. a Any organism that produces organic compounds from inorganic compounds, usually through photosynthesis.
  2. b An environment that includes all of the biotic and abiotic compounds that surround an organism.
  3. c The conversion of nitrates into nitrogen gas.
  4. d The total mass of living matter in a given unit area
  5. e They eat the primary consumers as their source of food.

5 Multiple choice questions

  1. A prokaryotic (single-celled) organism that acts as a decomposer. It gets the nutrients it needs by breaking down dead organisms.
  2. A series of interrelated food chains.
  3. A symbiotic relationship between individuals of different species in which one individual, the parasite, benefits to the harm of the other organism, the host.
  4. Removal of dissolved materials from soil by water moving downwards
  5. A natural process resulting in the evolution of organisms best adapted to the environment.

5 True/False questions

  1. heterotroph (consumer)Any organism that produces organic compounds from inorganic compounds, usually through photosynthesis.

          

  2. SymbiosisThe total mass of living matter in a given unit area

          

  3. commensalismA relationship between individuals of different species that benefits both organisms.

          

  4. CoevolutionAll individuals of a species in a given area.

          

  5. EcologyAn environment that includes all of the biotic and abiotic compounds that surround an organism.

          

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