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Paramecia are smaller than Amoebas. They move with the help of microscopic hair-like structures called cilia, which act like oars to push them through the water. They swim by rotating slowly and changing directions often. If the Parameciumcomes upon an obstacle, it stops, swims backwards, and then angles itself forward on a slightly different course. Cilia help the Paramecium move as well as feed. When the Parameciafeed, it does so by drawing its food into a funnel-shaped opening called the oral groove that is lined with cilia. The oral groove is like a mouth, taking food in with the help of cilia, which direct and move the food inward.

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17y ago

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