Required Practical - Population Size

Biology: AQA GCSE Higher, topic 7.2.7

Test yourself on Required Practical - Population Size

  • A scientist evaluates a quadrat by counting individual organisms or recording the percentage of the quadrat covered by an organism, such as grass. What is not a suitable way to evaluate the contents of a quadrat?

  • Which of these are correct for using quadrats to estimate a population size?

  • In the formula for estimating population size, what happens to the estimated population size if the area sampled increases while the total survey area and number of individuals counted stay the same?

  • In the formula for estimating population size, what happens to the estimated population size if the total survey area increases while the area sampled and number of individuals counted stay the same?

  • In the formula for estimating population size, what happens to the estimated population size if the number of individuals counted increases while the total survey area and area sampled stay the same?

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