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a gut with two separate openings - a mouth and an anus.
the membrane surrounding the vacuole. It is similar in structure and function to the cell...
a group of parasitic protozoa. There are several species of plasmodium that cause malaria in...
mostly columnar epithelium with cilia that line the nasal cavity, trachea, bronchi, fallopian...
a special kind of biological identification key which consists of sets of organised pairs of...