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Phylum Rotifera

Phylum Rotifera. Phylum Rotifera. Known as rotifers or wheel animals Transparent, free-swimming microscopic animal Freshwater & marine Have a ring of cilia around mouth that rotates like a wheel to bring in food Feed on unicellular algae, bacteria, & protozoa

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Phylum Rotifera

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  1. Phylum Rotifera

  2. Phylum Rotifera • Known as rotifers or wheel animals • Transparent, free-swimming microscopic animal • Freshwater & marine • Have a ring of cilia around mouth that rotates like a wheel to bring in food • Feed on unicellular algae, bacteria, & protozoa • Have a muscular organ called the mastax behind the pharynx to chop food • Nervous system composed of anterior ganglia & 2 long nerve cords • Show cephalization (head end) • Have 2 anterior, light-sensitive eyespots

  3. Rotifera

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