Measuring The Distribution Of Organisms
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Describe a method a student could use to estimate the number of organisms in a field.
Randomly place quadrat with random number generator Throw quadrat Count number of organisms in quadrat Repeat 10 times Use formula
What is the formula for total population size?
Total area / area sampled x number of organisms of organisms counted in sample
How can we improve our results?
Increase the number of quadrats thrown
How would you investigate the relationship between light intensity and (named) organism.
Lay tape measure across the floor to act as a transect Use a light meter to measure the light intensity Do this at regular intervals along transect Do at same type of day Each location, use a ruler to measure (relevant context) Plot on graph of light intensity and (variable) See if there is a relationship between both variables