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Bean Bugs

Bean Bugs

In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count. In a process similar to that used by real field biologists, learners count all the "organisms" (beans) scattered in a small, measured area known as a quadrat, then use that count as the basis for estimating the total population in the whole study site. Learners also examine sources of error while using this estimation technique.

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