rotifer wheel-bearer Rotfirs are aquatic microscopic organisms that can be found in freshwater environments and very moist soil. They live thin water streams prefer still water such as lakes ponds well flowing like rivers streams. most commonly mosses lichen growing on tree trunks rocks rain gutters puddles soil or leaf litter mushrooms near dead trees tanks of sewage treatment plants even crustaceans insect larvae. Rotifers have soft bodies so they cannot fossilized. Only their jaws withstand time. multicellular organisms meaning more than one cell body despite being microscopic. The name derives from the Latin word . This refers to crown cilia around mouth rotifer. rapid movement some species makes them appear whirl a wheel. As rotifers animals diet must contain matter small enough fit through tiny mouths during filter feeding. mostly omnivores but been known cannibals. Within body stomach reproductive. foot. foot ends dongle containing gland with which attach itself objects water. There 2000 rotifers divided into three classes Monogononta Bdelloidea Seisonidea. play big role watery ecosystems consuming bacteria algae at base food chain serving prey for zooplankton fish.