Which of the Following Methods Would Provide the Most Legitimate

question 91

Multiple Choice

Which of the following methods would provide the most legitimate data on population density?

• A)Count the number of nests of a particular species of songbird,and multiply this by two (because there are two parent birds per nest).
• B)Count the number of pine trees in several randomly selected 10-m × 10-m plots,and extrapolate this number to the fraction of the study area that these plots represent.
• C)Calculate the difference between all of the immigrants and emigrants to see if the population is growing or shrinking.
• D)Add the number of births and subtract the number of individuals who die to see if the population's density is increasing or decreasing.

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