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Students Perform Quadrant Study

Jake Earing (seated), Sammy Calderon, Emily Chatelain, and Austin Hegele work on a quadrant study in Biology class.

Ecologists often have to know how many of something is in nature. Because it is frequently too time consuming to count every organism, how do they do it? Students in Mrs. Maya Schultz’s Biology class learned that one way to estimate a population’s size is through a quadrant study. In this method, student count how many organisms are in a smaller section, and then multiply the number by how many of those smaller sections are in a bigger area. In addition to learning this technique, students also became familiar with the kinds of plants and animals local to the Cuthbertson campus.

Students broke into small groups to analyze squared off sections of the forest floor and to make notes of what they found. They typically find sweetgum, pine, and dogwood tree seedlings, acorns, ants, spiders, and flies.

“There were dogwood saplings and a lot of vines in our square,” said sophomore Jake Earing.

Sophomore Sammy Calderon said, “There were sweetgum saplings and lichen.”

“And baby pine trees!” said sophomore Austin Hegele.

Freshman Emily Chatelain said, “I learned about different biotic and abiotic factors out there. Abiotic factors are the ones that are never alive, like temperature, wind, and sunlight.”

“We learned that everything those factors do influences change in the environment. Going out there was really enjoyable,” Austin smiled.

Written by: CHS Biology teacher Maya Schultz
Posted: Oct 07, 2013 by Paula White

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