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Kentucky High School Tour
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Student research teams
examine the teeth, hooves, method of digestion, and skin
covering of five animals--steer, goat, sheep, alpaca, and horse.
They make observations and record the results of their
observations in order to construct a cladogram, a graphic
picture of the family tree of different species descended from a
common ancestor. Like actual scientists, they subject their team
cladograms to peer review--evaluation by fellow scientists.
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