. A manual of zoology. 62 MANUAL OF ZOOLOGY substance of the protoplasm becomes cleft into two parts (Fig. 27), each half containing one of the nuclei, so that two complete cells result. This process, it will be observed, is essentially the same as the binary fission of Amoeba and other Protozoa : in the Metazoan, however, the two cells do not become separated from one another as the two parts of the divided Amoeba do, but remain in contact and undergo further changes. Each of them divides (Fig. 27). Please note that these images are extracted from scanned page images that may have been digita
. A manual of zoology. 62 MANUAL OF ZOOLOGY substance of the protoplasm becomes cleft into two parts (Fig. 27), each half containing one of the nuclei, so that two complete cells result. This process, it will be observed, is essentially the same as the binary fission of Amoeba and other Protozoa : in the Metazoan, however, the two cells do not become separated from one another as the two parts of the divided Amoeba do, but remain in contact and undergo further changes. Each of them divides (Fig. 27). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Parker, T. Jeffery (Thomas Jeffery), 1850-1897; Haswell, William A. (William Aitcheson), 1854-1925. New York, The Macmillan Company; London, Macmillan & Co. ,Ltd.
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