General Zoölogy: Practical, Systematic and Comparative; Being a Revision and Rearrangement of Orton's Comparative ZoölogyAmerican book Company, 1903 - Всего страниц: 512 |
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Стр. 24
... membrane . Its shape is constant , except when the amoeba is in the process of division . Still more careful study will show that the body substance can be rather sharply divided into two regions , an outer , clear , quite homogeneous ...
... membrane . Its shape is constant , except when the amoeba is in the process of division . Still more careful study will show that the body substance can be rather sharply divided into two regions , an outer , clear , quite homogeneous ...
Стр. 73
... membrane weighing only a few grains . The two common types are Lucernaria and Aurelia . The former is the Umbrella - acaleph and has a short pedicel on the back for voluntary attachment ; tentacles disposed in eight groups around the ...
... membrane weighing only a few grains . The two common types are Lucernaria and Aurelia . The former is the Umbrella - acaleph and has a short pedicel on the back for voluntary attachment ; tentacles disposed in eight groups around the ...
Стр. 219
... membrane or cell wall . In most plants the cell wall is present , and con- sists of cellulose , a substance akin to starch ; in animals , with few exceptions , the wall is a pellicle of firmer pro- toplasm , i.e. , albuminous . ( 2 ) ...
... membrane or cell wall . In most plants the cell wall is present , and con- sists of cellulose , a substance akin to starch ; in animals , with few exceptions , the wall is a pellicle of firmer pro- toplasm , i.e. , albuminous . ( 2 ) ...
Стр. 228
... membrane inclosing granular substance , in which are seen a spherical nucleolus and several irregular masses of chromatin ; a , attraction sphere containing a centrosome . B - F , changes which take place in the cell during fission . of ...
... membrane inclosing granular substance , in which are seen a spherical nucleolus and several irregular masses of chromatin ; a , attraction sphere containing a centrosome . B - F , changes which take place in the cell during fission . of ...
Стр. 229
... membrane , are exhibited all the essential phenomena of life , nutrition , sensation , development , and repro- duction . The physiology of these minute organisms is of peculiar interest , since all animal structure is but the ...
... membrane , are exhibited all the essential phenomena of life , nutrition , sensation , development , and repro- duction . The physiology of these minute organisms is of peculiar interest , since all animal structure is but the ...
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General Zoölogy: Practical, Systematic and Comparative; Being a Revision and ... James Orton,Charles Wright Dodge Недоступно для просмотра - 2018 |
General Zoology: Practical, Systematic and Comparative; Being a Revision and ... James Orton,Charles Wright Dodge Недоступно для просмотра - 2015 |
Часто встречающиеся слова и выражения
abdomen Alcyonaria alimentary canal antennæ artery auricle birds blood vessels bones brain Branch calcareous called capillaries carnivorous cells cephalothorax cerebellum cilia CLASS color consists coral cord corpuscles covered crab crocodile crustaceans cuttlefish developed digestive DODGE'S GEN dorsal eggs embryo epidermis esophagus eyes fibers fins fishes fluid forms frog ganglia gills glands gullet head heart higher animals hind horny hydra insects intestine invertebrates jaws labium larvæ layer legs limbs liver living lobes lobster locomotion lower lungs magnified mammals mandibles mantle maxillæ membrane Metazoa microscopic mollusks mouth muscles muscular nerve nervous system notochord opening Order organs pair plants polyps protoplasm Protozoa quadrupeds reptiles resembling respiration sea urchin segments shell side skeleton skin skull snail species spiders spinal spines sponge starfish stomach structure substance surface tail teeth tentacles thorax tion tissue toes tongue tube upper usually valves ventricle vertebral column vertebrates whale wings worms Zoantharia