The perfecting of the microscope led to a full comprehension of the great doctrine of cell-structure and the establishment of the facts - (r) that all organisms are either, single corpuscles (so-called cells) of living material (microscopic animalcules, &c.) or are built up of an immense number of such units; (2) that all organisms begin their individual existence as a single unit or corpuscle of living substance, which multiplies by binary fission, the products growing in size and multiplying similarly by binary fission; and (3) that the life of a multicellular organism is the sum of the activities of the corpuscular units of which it consists, and that the processes of life must be studied in and their explanation obtained from an understanding of the chemical and physical changes which go on in each. [Please select]
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--Tentacles and poison threads--Paramecium--Trachelius--Motions of Animalcules, whether automatic or directed by a will--Their restless character. [Please select]
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As the plants in the bottles decayed, some of the animalcules died off and others appeared. [Please select]
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The Germans call them "slipper animalcules," and they vary in size from 1--96"[7] to 1--1150". [Please select]
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Gosse, "History of the Hairy-backed Animalcules," 'Intellectual Observer,' vol. [Please select]
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No doubt the microscope would show countless numbers of minute animalcules, but I detect no Melicertæ. [Please select]
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] The _Vorticellina_ belong to the upper division of the _Protozoa_--the _ciliata_, or ciliated animalcules, and they have a mouth, an oesophagus, and an orifice for the exit of their food. [Please select]
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