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5 Written questions

5 Matching questions

  1. Herbivores (primary consumers)
  2. biomass
  3. leaching
  4. Eutrophication
  5. Carnivores (secondary consumers)
  1. a They use the producer organisms to provide them with their food.
  2. b The total mass of living matter in a given unit area
  3. c The process by which a body of water becomes too rich in dissolved nutrients, leading to plant growth that depletes oxygen.
  4. d They eat the primary consumers as their source of food.
  5. e Removal of dissolved materials from soil by water moving downwards

5 Multiple choice questions

  1. Indicates the transfer of energy from producers through a series of organisms which feed upon each other.
  2. A prokaryotic (single-celled) organism that acts as a decomposer. It gets the nutrients it needs by breaking down dead organisms.
  3. A group of similar organisms that can breed and produce fertile offspring.
  4. Water that flows over the ground surface rather than soaking into the ground
  5. The process by which two species evolve in response to changes in each other.

5 True/False questions

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

          

  2. PopulationAll individuals of a species in a given area.

          

  3. AdaptationAn inherited characteristic that increases an organism's chance of survival.

          

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

          

  5. Natural SelectionAn inherited characteristic that increases an organism's chance of survival.

          

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