A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Side 9
... whole , though by no means necessarily demanded for the life of individuals . Thus , vege- table life is as a whole dependent upon sun - light , and though animals can subsist in darkness , animal life is in reality de- pendent upon ...
... whole , though by no means necessarily demanded for the life of individuals . Thus , vege- table life is as a whole dependent upon sun - light , and though animals can subsist in darkness , animal life is in reality de- pendent upon ...
Side 14
... whole problem of nutrition may be narrowed to the question as to the modes and laws by which these stable elements are raised by the vital chemistry of the plant to the height of unstable compounds . To this general statement , however ...
... whole problem of nutrition may be narrowed to the question as to the modes and laws by which these stable elements are raised by the vital chemistry of the plant to the height of unstable compounds . To this general statement , however ...
Side 27
... whole , then , it seems in the meanwhile safest to adopt a definition of species which implies no theory , and does not include the belief that the term necessarily expresses a fixed and permanent quantity . Species , therefore , may be ...
... whole , then , it seems in the meanwhile safest to adopt a definition of species which implies no theory , and does not include the belief that the term necessarily expresses a fixed and permanent quantity . Species , therefore , may be ...
Side 31
... whole forming a structure not unlike a sea - weed in appearance . This colony is produced by gemmation from a single primitive being ( " polypide " ) , which throws out buds , each of which repeats the process , apparently almost ...
... whole forming a structure not unlike a sea - weed in appearance . This colony is produced by gemmation from a single primitive being ( " polypide " ) , which throws out buds , each of which repeats the process , apparently almost ...
Side 38
... whole , there can be no hesitation in accepting them as in the main correct - then the drones are produced by a true process of parthenogenesis ; but some observers maintain that the development of any given ovum into a drone is really ...
... whole , there can be no hesitation in accepting them as in the main correct - then the drones are produced by a true process of parthenogenesis ; but some observers maintain that the development of any given ovum into a drone is really ...
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Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
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