A manual of zoologyWilliam Blackwood & Sons, 1878 |
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... produced solely by the living organism , and which cannot at present be artificially generated , we embrace under the name of " Organic Chemistry " a vast number of compounds which are not produced by living beings , but are ...
... produced solely by the living organism , and which cannot at present be artificially generated , we embrace under the name of " Organic Chemistry " a vast number of compounds which are not produced by living beings , but are ...
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... produced it has lost all vitality . The following are the more important characters which dis- tinguish the various organic substances , whether directly pro- duced by living beings , or secondarily formed by chemical processes of ...
... produced it has lost all vitality . The following are the more important characters which dis- tinguish the various organic substances , whether directly pro- duced by living beings , or secondarily formed by chemical processes of ...
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... produced from bodies like themselves ; they eat , digest , and move , and exhibit distinct sensibility to many external im- pressions . Furthermore , many of these little masses of struc- tureless jelly possess the power of ...
... produced from bodies like themselves ; they eat , digest , and move , and exhibit distinct sensibility to many external im- pressions . Furthermore , many of these little masses of struc- tureless jelly possess the power of ...
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... produced . What that something is , we do not know , and perhaps never shall know ; and it is possible , though highly improbable , that future discoveries may demonstrate that it is merely a subtle modification of some physical force ...
... produced . What that something is , we do not know , and perhaps never shall know ; and it is possible , though highly improbable , that future discoveries may demonstrate that it is merely a subtle modification of some physical force ...
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... produced they are sterile , and are not capable of reproducing their like . In these cases , therefore , we may take this as a most satisfactory element in the definition of " species . " The sterility , however , of hybrids is not ...
... produced they are sterile , and are not capable of reproducing their like . In these cases , therefore , we may take this as a most satisfactory element in the definition of " species . " The sterility , however , of hybrids is not ...
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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