Animal Life: A First Book of ZoölogyD. Appleton, 1901 - Всего страниц: 329 |
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Стр. xi
... live in the water ; some kinds in fresh water and many kinds in the ocean . Some live in damp sand or moss , and still others are parasites in the bodies of other animals . They are not familiarly known to us ; we can not see them with ...
... live in the water ; some kinds in fresh water and many kinds in the ocean . Some live in damp sand or moss , and still others are parasites in the bodies of other animals . They are not familiarly known to us ; we can not see them with ...
Стр. 5
... lives a certain specially interest- ing kind of protozoan , the Amaba ( Fig . 2 ) . Of all the simplest animals this is as simple or primitive as any . The minute viscous particle of protoplasm which forms its body is irregular in ...
... lives a certain specially interest- ing kind of protozoan , the Amaba ( Fig . 2 ) . Of all the simplest animals this is as simple or primitive as any . The minute viscous particle of protoplasm which forms its body is irregular in ...
Стр. 13
... we can profitably give some special attention is Gregarina ( Fig . 9 ) , the various species of which live in the alimentary canal * of crayfishes and centipeds and certain insects . THE LIFE OF THE SIMPLEST ANIMALS 13.
... we can profitably give some special attention is Gregarina ( Fig . 9 ) , the various species of which live in the alimentary canal * of crayfishes and centipeds and certain insects . THE LIFE OF THE SIMPLEST ANIMALS 13.
Стр. 15
... live there in enormous numbers ; the seals and sea lions , the whales and porpoises , those fish - like animals which are really more like land animals than like the true fishes ; and the jelly - fishes and corals and star - fishes ...
... live there in enormous numbers ; the seals and sea lions , the whales and porpoises , those fish - like animals which are really more like land animals than like the true fishes ; and the jelly - fishes and corals and star - fishes ...
Стр. 16
... live in the ocean . Although the water at the surface of the ocean appears clear , and on superficial examination devoid of life , yet a drop of this water taken from certain ocean regions exam- ined under the microscope reveals the ...
... live in the ocean . Although the water at the surface of the ocean appears clear , and on superficial examination devoid of life , yet a drop of this water taken from certain ocean regions exam- ined under the microscope reveals the ...
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adaptation adult alimentary canal Amaba ants become bees birds butterfly called cavity CLASS colony color complex animals composed conjugation crab crustaceans cytoplasm degeneration differentiation digestion divide ectoderm egg cells existence 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 organs 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 stage structure substance surface swim tentacles tion tissues vertebrates Volvox Vorticella wings workers worms young