In this lab you will perform a Chi-square test to test if the proportion of yeast ingested by rotifers differs significantly between the two yeast types.  Which statement best describes the null hypothesis you will be testing?         Rotifers ingest statistically more unicellular than multicellular yeast.   Rotifers only ingest multicellular yeast   Rotifers only ingest unicellular yeast   The proportion of unicellular and multicellular yeast ingested by rotifers is the same.

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Parasitic infections

A parasite is an organism that lives in the body of another organism and obtains food at the expense of the host. There are two kinds of parasites they are internal and external. An internal parasite lives inside another organism and is known as endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite.