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4 Written questions

3 Multiple choice questions

  1. Counting the number of organisms in a small area and multiplying to estimate the total population is called
  2. The largest population that an environment can support is called its
  3. Which of the following is NOT a biotic factor?

3 True/False questions

  1. treesAn organism's role in an ecosystem is called its

          

  2. nicheAn organism's role in an ecosystem is called its

          

  3. commensalismA relationship in which one organism benefits and the other is neither helped nor harmed is called