• 1. 
    What do quadrats measure?

  • The area of a field
  • The distribution of organisms along a line
  • The average number of an organism within a certain area
  • The height of seedlings
  • 2. 
    What else can be used to test reaction time?

  • The bleep test
  • Computer programs
  • rock, paper, scissors
  • Electrical stimulation
  • 3. 
    When using quadrats to count organisms along a transect, what is it important to do?

  • Ensure randomness
  • Use bigger quadrats
  • Place quadrats at regular intervals
  • Count all of the organisms and divide by 2
  • 4. 
    Into which test tube does the 5 drops phenolphthalein go into?

  • The milk one
  • The lipase one
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