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6 Written questions

6 Multiple choice questions

  1. a type of symbiosis that occurs when an organism called a parasite feeds on the cells, tissues, or fluids of another organism call a host.
  2. all the populations sharing a specific area or region.
  3. structure, behavior, or other trait in an organism that helps it to survive in its environment.
  4. a system of several overlapping food chains.
  5. a symbiotic relationship in which both species benefit.
  6. diagram that shows the flow of energy through a food chain.

6 True/False questions

  1. Symbiosisa close relationship between two species.


  2. Hostorganism that supports a parasite.


  3. Commensalisma symbiotic relationship in which both species benefit.


  4. Populationall the members of a species living in a particular area at a particular time.


  5. Ecosystemorganism that feed on the remains or wastes of other organisms.


  6. Speciesa group of organisms that can mate and produce offspring that in turn can produce more offspring.


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