A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página 2
... composed , had , to begin with , a very definite signification ; the latter being applied to all those forms of matter which exist independently of the operation of living beings , whilst all kinds of matter produced by the vital ...
... composed , had , to begin with , a very definite signification ; the latter being applied to all those forms of matter which exist independently of the operation of living beings , whilst all kinds of matter produced by the vital ...
Página 4
... composed of much larger aggregations of atoms than inorganic , are pro- portionately more unstable ; and this instability is increased by the fact that many organic substances contain Nitrogen , an element of feeble and undecided ...
... composed of much larger aggregations of atoms than inorganic , are pro- portionately more unstable ; and this instability is increased by the fact that many organic substances contain Nitrogen , an element of feeble and undecided ...
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... composed of a special substance , which is the material basis of life , and which seems to be sub- stantially identical in all alike . No living body is throughout composed of this living basis , but all contain a greater or smaller ...
... composed of a special substance , which is the material basis of life , and which seems to be sub- stantially identical in all alike . No living body is throughout composed of this living basis , but all contain a greater or smaller ...
Página 16
... composed . All these functions come under three heads : -1 . Functions of Nutrition , divisible into func- tions of absorption and metamorphosis , comprising those func- tions which are necessary for the growth and maintenance of the ...
... composed . All these functions come under three heads : -1 . Functions of Nutrition , divisible into func- tions of absorption and metamorphosis , comprising those func- tions which are necessary for the growth and maintenance of the ...
Página 26
... composed of two distinct forms , similar to one another in all respects except in their repro- ductive organs , the one form having a long pistil and short stamens , the other a short pistil with long stamens . In tri- morphic plants ...
... composed of two distinct forms , similar to one another in all respects except in their repro- ductive organs , the one form having a long pistil and short stamens , the other a short pistil with long stamens . In tri- morphic plants ...
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Outras edições - Ver tudo
Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson Pré-visualização indisponível - 2015 |
Palavras e frases frequentes
abdomen adult alimentary canal ambulacral amongst animal Annelides antennæ anus aperture appendages Arachnida articulated attached birds bivalve body bones Brachiopoda branchiæ branchial calcareous carapace cavity cephalothorax chitinous ciliated composed comprising consists contractile Crustacea Ctenophora developed disc distinct division dorsal embryo Eocene external extinct extremity feet females fins fishes Foraminifera fossil furnished gemmation genera genus gills head horny Huxley Hydrozoa incisors Insects integument intestine known labium larva larvæ legs limbs living locomotive males Mammals mandibles margin maxillæ membrane molars Mollusca mouth nervous system operculum organs ovum Owen pairs Paleozoic parasitic placed plates polypide polypites Polyzoa portion possess posterior present regarded reproductive Reptiles resembling respiratory Rotifera rudimentary Scolecida segments shell side Silurian single skeleton sometimes somites species spines stomach structure sub-order surface tail teeth tentacles termed thorax toes transverse tube upper usually valves ventral Vertebrates vesicle whilst wings Zoantharia zooids