Daphnia Magna Feeding Rate

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The purpose of this study is to understand the feeding rate of Daphnia magna. D. magna is a species of Daphnia that belongs to the suborder Cladocera (Ebert, 2005). They live in freshwater and feed on small, suspended particles in the surrounding water. They are filter feeders. Leaf-like appendages, called phyllopods provide a filtering apparatus for the collection of food. These structures beat to produce a constant current of water, allowing particles to be filtered by fine setae on the thoracic legs. The particles are then transferred to their mouth groove to be ingested. D. magna typically feed on planktonic algae (Ebert, 2005). The following experiment uses algae to test what affects the feeding rate of D. magna. The rate of filtration

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