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Visual Description:
This organism has a sac-like body and is able to convulse and contract as seen in one of the pictures. There is a ciliated opening at the anterior side of the organism which is called a corona. There is a large and dark mass near the posterior side. Filaments can be seen inside the organism. The organism itself is transparent.
Reference: http://people.cst.cmich.edu/mcnau1as/zooplankton%20web/Asplanchna/Asplanchna.htm
Habitat: This organism was found in a body of freshwater where the water was shaded. It was found specifically at Castor Beach at USF.
Known Geographic Distribution:
This organism can be found in most freshwater ecosystems throughout the world.