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Macintosh Picture Format  |  1996-09-10  |  174.6 KB  |  640x310  |  8-bit (219 colors)
   ocr: Protozoa even the simplest forms in nature are often quite complex and very beautiful. Protozoa ares single-celled, microscopic organisms formerly classified as animals, the most broadly known of which are probably amoebae and paramecia. New information gained by the use of electron micro- scopes and techniques of molecular biology has changed our ideas on how to classify this ancient group of eukaryotic, or complex-celled, organisms. They are now assigned to a separate 215