The Evolution of Plant Life: Lower FormsMethuen & Company, 1891 - 242 pages |
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Page 1
... called protoplasm , the existence of which in turn depends on surroundings ; in other words , so long as protoplasm retains its individuality life is manifested , whereas the moment this individuality is destroyed , due to the ...
... called protoplasm , the existence of which in turn depends on surroundings ; in other words , so long as protoplasm retains its individuality life is manifested , whereas the moment this individuality is destroyed , due to the ...
Page 5
... called spontaneous generation ; in other words , in the conversion of inorganic matter into a living organism by any other agency than that exercised by a previously existing form of life ; hence we are constrained to assume the ...
... called spontaneous generation ; in other words , in the conversion of inorganic matter into a living organism by any other agency than that exercised by a previously existing form of life ; hence we are constrained to assume the ...
Page 6
... called individuals of any given species , but that life advances in recurring cycles , each cycle being represented by one individual , or in those various phases included between seed and seed . It has been already stated that each ...
... called individuals of any given species , but that life advances in recurring cycles , each cycle being represented by one individual , or in those various phases included between seed and seed . It has been already stated that each ...
Page 9
... called granular protoplasm , in which the streaming or movements take place . The spiral threads and the cavities they form are the portions of physiological value , and these are not isolated in each cell of the organism , but ...
... called granular protoplasm , in which the streaming or movements take place . The spiral threads and the cavities they form are the portions of physiological value , and these are not isolated in each cell of the organism , but ...
Page 11
... called chlorophyll , being inseparably connected with the assimilation of inorganic food ; but it is important to bear in mind that although all green plants agree with the moss in requiring carbonic dioxide as one food con- stituent ...
... called chlorophyll , being inseparably connected with the assimilation of inorganic food ; but it is important to bear in mind that although all green plants agree with the moss in requiring carbonic dioxide as one food con- stituent ...
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Common terms and phrases
alga algæ antheridia antherozoids apex apical cell aquatic archegonia asexual mode asexual reproductive axial basidia bearing become belonging branches called carbonic carpogonium cavity cell-division cell-wall cellulose chlorophyll cilia colour colourless conceptacles condition conjugation consists containing Crown 8vo Cryptogams daughter-cells differentiation divided division enclosed epidermis eventually ferns fertilization fibro-vascular bundles filaments flowering formation fungi fungus furnished genera genus germination give origin grow hymenium hypha hyphæ individual known latter leaf leaves lichens mass megaspores minute mode of reproduction mother-cell motile mycelium numerous oogonia oogonium oophore oosphere parasitic peridium Phanerogams phloem pileus plants Prantl present group produced prothallus protoplasm remains reproductive bodies resting-spores roots septa septum sexual mode sexual organs sexual reproduction single slender species spiral sporangia sporangium spores sporidiola sporocarp sporophore starch stem stomata structure substance superposed cells surface thallus thick thickened tissue transverse trichogyne unicellular usually vascular bundles vegetative portion wall xylem zoospores zygospore
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