Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that mature hemlocks were abundant but there were very few young hemlocks. She wondered why there were so few young hemlocks. By reading the records that other foresters in that area had kept, she learned that the population of deer living in the forest had doubled in the last five years. By reading studies on forests that other scientists had performed, she also learned that deer in similar forests like to eat young hemlocks and the young trees of other species.
In the scenario, the forester wonders why one forest had many mature hemlocks but very few young hemlocks.
Which part of a scientific method does this best illustrate?
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Hemlocks are a common type of tree in the northern forests of the United States. In studying one for...
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