English National Curriculum - Science
Mission Objectives
Describe the steps involved in using quadrats for random sampling
Calculate the mean number of organisms from multiple quadrat samples to estimate plant abundance
Explain the purpose of sampling in ecological studies, particularly why ecologists estimate the number of organisms rather than counting all individuals
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Words and meanings to learn
abundance
the quantity or amount of something present in a particular area, volume or sample
quadrat
a portable frame used to mark out a small area of habitat, typically of one square metre
bias
showing inclination or prejudice for or against something
distribution
how something is spread over an area
yield
the total number of organisms counted per area sampled and total biomass or productivity
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