Protozoans are classified based on the way that they move. Many Protozoans have advanced evolved Cilia (hair like fibers) or Flagella(a big tail) which help them move. Where others, such as, the amoeba use a pseudopodia to move around by stretching its cytoplasm âpullingâ itself forward to its next destination.
1 The first full-length episode of Oobi aired on April 7, 2003. Moose and Zee, Noggin's former hosts, were introduced on this same day.  Josh Selig, the creator of Oobi, was inspired to create the show after watching puppeteers in Poland perform with their bare hands.
The O-ring was invented in 1936 by then 72-year-old Danish-born Niels Christensen. During World War II, the US government bought critical war-related patents after finding out big businesses were in violation of Christensen's patent right. Christensen got a lump sum payment of $75,000 for it.