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7 Written questions

6 Multiple choice questions

  1. plant that derives moisture and nutrients from the air and rain
  2. any animal that feeds on refuse and other decaying organic matter
  3. an organism that lives in or on another organism, deriving nourishment at the expense of its host, usually without killing it
  4. See trophic pyramid.
  5. an animal that feeds on both animal and vegetable substances
  6. plant eater

6 True/False questions

  1. mutationa change or alteration in form or qualities


  2. preditorAn animal thats eats another animal


  3. competitionthe act of competing as for profit or a prize


  4. food web(ecology) a community of organisms where each member is eaten in turn by another member


  5. animal societyis a group of related animals of the same species that interact closely and often cooperate with one another.


  6. independent organismproduce enzymes that break down proteins, starches, lipids, and almost every other known organic substance