Animal Life: A First Book of ZoölogyD. Appleton, 1900 - Всего страниц: 329 |
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Стр. vii
... alimentary canal , 66.— Stable and variable characteristics of an organ , 73. - Stable and variable characteristics of the alimentary canal , 73. - The mutual relation of function and structure , 77 . V. THE LIFE CYCLE Birth , growth ...
... alimentary canal , 66.— Stable and variable characteristics of an organ , 73. - Stable and variable characteristics of the alimentary canal , 73. - The mutual relation of function and structure , 77 . V. THE LIFE CYCLE Birth , growth ...
Стр. 13
... alimentary canal * of crayfishes and centipeds and certain insects . THE LIFE OF THE SIMPLEST ANIMALS 13.
... alimentary canal * of crayfishes and centipeds and certain insects . THE LIFE OF THE SIMPLEST ANIMALS 13.
Стр. 14
... alimentary canal of its host , and the body of some species is provided with hooks for that purpose . The * Specimens of Gregarina can be abundantly found in the alimen- tary canal of meal worms , the larvæ of the black beetle ...
... alimentary canal of its host , and the body of some species is provided with hooks for that purpose . The * Specimens of Gregarina can be abundantly found in the alimen- tary canal of meal worms , the larvæ of the black beetle ...
Стр. 65
... alimentary canal for the reception and assimilation of food ; the excretory organs for the throwing off of waste matter ; the arteries and veins for the carriage of the oxygen and food - holding blood ; the legs or wings for locomotion ...
... alimentary canal for the reception and assimilation of food ; the excretory organs for the throwing off of waste matter ; the arteries and veins for the carriage of the oxygen and food - holding blood ; the legs or wings for locomotion ...
Стр. 66
... alimentary canal . The organ which has to do with the taking and digesting of food is called the ali- mentary canal . In some of the higher animals this 66 ANIMAL LIFE -The specialization of organs, 66 -The alimentary canal, 66.
... alimentary canal . The organ which has to do with the taking and digesting of food is called the ali- mentary canal . In some of the higher animals this 66 ANIMAL LIFE -The specialization of organs, 66 -The alimentary canal, 66.
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adaptation adult alimentary canal Amaba ants become bees birds butterfly called cavity chitin CLASS colony color complex animals composed conjugation crab crustaceans cytoplasm degeneration differentiation digestion divide ectoderm egg cells eyes fauna feed female fish flagella free-swimming function gastrula Globigerinæ habits hatched higher animals host Hydra inclosed increase individuals insects instinct intestine islands jelly-fishes kinds of animals larva larvæ layer live male mals mammals many-celled animals mass medusa mouth opening naturalists nerve nest nucleus ocean oesophagus one-celled outer oxygen Pandorina papillæ Paramecium parasites parent perform plants polyp prey primitive processes produced protective resemblance protoplasm Protozoa pseudopods queen Radiolaria reflex action reproductive cells Sacculina sea-anemone shape shell simple simplest animals single cell special sense species sperm cells spherical spiders sponge spores stage structure substance surface swimming tentacles tion vertebrates Volvox Vorticella wings workers worms young