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5 Written questions

5 Matching questions

  1. Coevolution
  2. Symbiosis
  3. Bacteria
  4. Herbivores (primary consumers)
  5. Infiltration
  1. a The slow passage of a liquid through a filtering medium.
  2. b They use the producer organisms to provide them with their food.
  3. c A prokaryotic (single-celled) organism that acts as a decomposer. It gets the nutrients it needs by breaking down dead organisms.
  4. d The process by which two species evolve in response to changes in each other.
  5. e Relationships that exist between individuals of different species, where at least one party benefits from the relationship.

5 Multiple choice questions

  1. A symbiotic relationship between individuals of different species in which one individual, the parasite, benefits to the harm of the other organism, the host.
  2. They eat the primary consumers as their source of food.
  3. An inherited characteristic that increases an organism's chance of survival.
  4. The total mass of living matter in a given unit area
  5. Water that flows over the ground surface rather than soaking into the ground

5 True/False questions

  1. EcosystemAn environment that includes all of the biotic and abiotic compounds that surround an organism.


  2. leachingRemoval of dissolved materials from soil by water moving downwards


  3. Autotroph (producer)Organism that obtains energy from the foods it consumes.


  4. DenitrificationThe process by which a body of water becomes too rich in dissolved nutrients, leading to plant growth that depletes oxygen.


  5. Natural SelectionA natural process resulting in the evolution of organisms best adapted to the environment.


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