Tuesday 10 May 2016

4.2 explain how quadrats can be used to estimate the population size of an organism in two different areas

Firstly, this is a quadrat…
They are usually 1m2 and split up into 100 smaller squares. Just randomly place/throw it on the ground and count all of the organisms within the quadrat. Repeat 5 times and find the mean. Now multiply the number of that organism found with the size (in m2) of the area you are investigating.

Repeat with another area and compare.

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