Oceans and Seas make up most of the Earth. Check out the videos in this channel to see how these massive bodies of water shape our world.
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Life in a Drop of Water: Rotifer
Rotifers are multicellular animals with rapidly beating hearts and cilia to draw in food. They usually stay anchored in one area, but can use food to move from place to place.
Rotifers are multicellular animals with rapidly beating hearts and cilia to draw in food. They usually stay anchored in one area, but can use food to move from place to place.