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5 Written questions

5 Matching questions

  1. producer
  2. bioaccumulation
  3. invasive species
  4. secondary consumers
  5. predation
  1. a an introduced, nonnative species
  2. b accumulation of a substance in various tissues of a living organism
  3. c 1 species feeds off another
  4. d organisms that consume primary consumers
  5. e organism that can convert radiant energy or chemical energy to carbs

5 Multiple choice questions

  1. no competition
  2. organisms that are capable of interbreeding with 1 another but unable to with other species
  3. burning
  4. organism that nourishes oxidation of inorganic chemical compounds, instead of photosynthesis
  5. (nitrogen cycle step 2) bacteria in soil convert ammonium (NH4+) to nitrate or NO3.

5 True/False questions

  1. biomagnificationprocess where concentration of toxic substances increase in each successive length in food chain.


  2. Law of Conservation of Matterproduction of ammonia or ammonium compounds in the decomposition of organic matter by bacteria


  3. symbiotic relationshipsclose, prolonged associations between 2 or more different organisms of different species that may, but not necessarily, benefit


  4. biodiversity# and variety of organisms in an area (ecosystem) more of it leads to better adaptability and chances of survival


  5. mutualismrelationship where both species benefit


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