Nestled across from Rockefeller Center lies Manhattanâs premier department store, Saks Fifth Avenue. Spanning an entire city block, the shopping center is as glamourous at it was when it opened, nearly 100 years ago.
Rotifers are small, mostly freshwater animals, and are amongst the smallest members of the Metazoa -- that group of multicellular animals which includes humans, and whose bodies are organized into systems of organs.delloid rotifers are the commonest variety found in fresh water. The term describes their habit of moving about by extending the body and attatching the head, then catching up with the foot and again extending the body -- bdelloid, like a leech.
General Biology/Classification of Living Things/Eukaryotes/Animals/Phyla - Phylum Rotifera. 1  See text page 900. 2  The Rotifers. 3  They are triploblastic, bilaterally symmetrical, and unsegmented. 4  Most less than 2 mm, some as large as 2 â 3 mm. 5  Rotifers have a three part body: head, trunk, and foot.