A student wanted to estimate the number of grasshoppers in 5km2 grass field near the school compound. Using a sweep net he captured 36 grasshoppers. He...

      

A student wanted to estimate the number of grasshoppers in 5km2 grass field near the school compound.
Using a sweep net he captured 36 grasshoppers. He used a red felt pen to mark the thorax of each insect before releasing back into the field. Three days later he made another catch of grasshoppers. He collected 45 grasshoppers of which only 4 had been marked with red mark.
a) Name the above method used in the population estimation
b) Calculate the population of grasshoppers using the above data

  

Answers


Kavungya
a) Capture –recapture method
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Kavungya answered the question on June 15, 2019 at 06:24


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