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Examples
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The name Protophytes (_Protophyta_) has been applied to a large number of simple plants, which differ a good deal among themselves.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Douglas Houghton Campbell
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(I) As everyone knows, the general idea of the Doctrine of Descent is that the plants and animals of the present day are the lineal descendants of ancestors on the whole somewhat simpler, that these again are descended from yet simpler forms, and so on backwards towards the literal "Protozoa" and "Protophyta" about which we unfortunately know nothing.
Evolution in Modern Thought Gustav Schwalbe 1880
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Hence, if we logically divide the protist kingdom into plasma-forming Protophyta and plasma-consuming Protozoa, we must class the Bacteria with the latter; it is quite illogical to describe them -- as is still often done -- as
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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Monera like the Chromacea, structureless green particles of plasm; afterwards real nucleated cells (first plasmodomous Protophyta, like the Palmella; then plasmophagous Protozoa, like the Amoeba).
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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The earliest ancestors of our race were simple Protophyta, and from these our protozoic ancestors were developed afterwards.
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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They belong to various groups both of the Protophyta and Protozoa.
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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From these were first developed unicellular organisms of the simplest character, the Protophyta and Protozoa (paulotomea, amoebae, rhizopods, infusoria, and other Protists).
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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Similarly, the whole of the vegetable kingdom is divided into the Protophyta and the Metaphyta.
Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions George John Romanes 1871
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For the sake of brevity, I shall hereafter deal only with the case of animals (Protozoa and Metazoa); but it may throughout be understood that everything which is said applies also to the case of plants (Protophyta and Metaphyta).
Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions George John Romanes 1871
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The characteristic feature of all the Protozoa and Protophyta is that the organism consists of a single physiological cell, while the characteristic of all the Metazoa and Metaphyta is that the organism consists of a plurality of physiological cells, variously modified to subserve different functions in the economy of the animal or plant, as the case may be.
Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions George John Romanes 1871
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