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Determining Population Methods
Test Description: Use this to help you understand the methods used to determine population.
Instructions: Answer all questions to get your test result.
1) Which method would you use to determine the population of mushrooms growing on the floor of a large forest?
A
direct observation
B
sampling
C
indirect observation
D
mark- and -recapture
2) When you estimate the population by marking organisms, releasing them, and then later recapturing them, you are using
A
indirect observation
B
mark-and- recapture
C
sampling
D
direct observation
3) When you estimate by counting the number of organisms in a small area and then multiplying to find the number in a larger area, you are using
A
direct observation
B
mark- and -recapture
C
sampling
D
indirect observation
4) When you count every member of a population, you are using
A
mark- and -recapture
B
direct observation
C
indirect observation
D
sampling
5) When you look for signs of the organism rather than the organisms themselves, you are using
A
mark- and -recapture
B
sampling
C
indirect observation
D
direct observation
6) Which is the best method to use for a small area with organisms that do not move?
A
direct observation
B
sampling
C
indirect observation
D
mark- and -recapture
7) Which method tells you the actual population and NOT an estimate?
A
indirect observation
B
direct observation
C
mark- and -recapture
D
sampling
8) Which method gives you additional information for research such as health and measurements?
A
mark- and -recapture
B
direct observation
C
sampling
D
indirect observation
9) Which method is best for hard to find organisms?
A
direct observation
B
sampling
C
mark- and -recapture
D
indirect observation
10) Which is the best method to use if you have organisms that move?
A
direct observation
B
sampling
C
indirect observation
D
mark- and -recapture
*select an answer for all questions
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