Can some one answer this for me please

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

this might

1) a

2)c

3)a

4)c

5)b

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