organism that has single celled chlorophyll. no exchanged across the cell membrane 1. is a Rhabdostyla no cell wall and a. Gases are of Rhabdastyla Hame; the gas produced by Rhabdostyla process that produces the gas the method of removal of the the gas 2. Rhabdostyla lines in fresh water has a low concentration of solutes Rhabdostyla has a contractile vacuole that fi with water and empties at interial