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        6-12

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        Auditory, Visual

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        Stream, Download and Share


        Part of WGBH
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        Ruminants

        How is it that cattle, goats, and deer can grow strong and healthy on a diet consisting of little more than grass and leaves? This video segment explores the incredible efficiency of the ruminant digestive system, a set of adaptations that have allowed these animals to become the most dominant plant eaters on earth.

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