Animal Life: A First Book of ZoölogyD. Appleton, 1901 - Всего страниц: 329 |
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Стр. vii
... Protozoa , 1. - The animal cell , 2.- What the primitive cell can do , 5. — Amœba , 5. - Paramœcium , 9 . -Vorticella , 12. - Marine Protozoa , 15. - Globigerinæ and Radio- laria , 16. - Antiquity of the Protozoa , 20. - The primitive ...
... Protozoa , 1. - The animal cell , 2.- What the primitive cell can do , 5. — Amœba , 5. - Paramœcium , 9 . -Vorticella , 12. - Marine Protozoa , 15. - Globigerinæ and Radio- laria , 16. - Antiquity of the Protozoa , 20. - The primitive ...
Стр. xi
... Protozoa . The simplest ani- mals are those whose bodies are simplest in structure and which do the things done by all living animals , such as eating , breathing , moving , feeling , and reproducing in the most primitive way . The body ...
... Protozoa . The simplest ani- mals are those whose bodies are simplest in structure and which do the things done by all living animals , such as eating , breathing , moving , feeling , and reproducing in the most primitive way . The body ...
Стр. xii
... Protozoa is composed for the animal's whole lifetime of but a single cell . The bodies of all other animals are ... protozoan , or in the earliest embryonic stages of a many - celled animal . The animal cell is rarely typically cellular ...
... Protozoa is composed for the animal's whole lifetime of but a single cell . The bodies of all other animals are ... protozoan , or in the earliest embryonic stages of a many - celled animal . The animal cell is rarely typically cellular ...
Стр. 2
... Protozoa is composed for the animal's whole lifetime of but a single cell . The bodies of all other animals are composed of many cells . The cell may be called the unit of animal ( or plant ) structure . The body of a horse is complexly ...
... Protozoa is composed for the animal's whole lifetime of but a single cell . The bodies of all other animals are composed of many cells . The cell may be called the unit of animal ( or plant ) structure . The body of a horse is complexly ...
Стр. 5
... Protozoa can be best understood by the observation of living individuals . In the slime and sediment at the bottom of stagnant pools lives a certain specially interest- ing kind of protozoan , the Amaba ( Fig . 2 ) . Of all the simplest ...
... Protozoa can be best understood by the observation of living individuals . In the slime and sediment at the bottom of stagnant pools lives a certain specially interest- ing kind of protozoan , the Amaba ( Fig . 2 ) . Of all the simplest ...
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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