Mark release, recapture method

• What is the purpose of the mark release recapture technique?

  To estimate the population size of motile organisms
• What is the first step in the mark release recapture method?

  Take an initial sample and mark them
• How should organisms be marked in the mark release recapture method?

  With a non-toxic paint
• After marking and releasing organisms, what should be done next?

  Wait for them to randomly disperse
• What is the equation used to estimate the population size?

  Initial catch × Second sample / Marks recaptured
• How many samples were taken in total during the Skittle experiment?

  Ten samples
• What factors caused variation in the results of the Skittle experiment?

  Uneven sample sizes and distribution
• What assumption does the mark release recapture method make about the population?

  The population remains constant over time
• What is the nature of the video being discussed?

  It is the second part of a series
• Where can the practical of the mark release recapture method be conducted?

  At school or at home
• What type of organisms does the mark release recapture method target?

  Motile organisms
• What does the variation in estimates depend on?

  Sample size and distribution
• What was the purpose of counting the actual number of Skittles?

  To compare with the estimate