Outlines of natural history for beginners |
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Página 2
... known as " assimilation " ( Latin , assimilo , I make like to ) . In other words , the food has to be reduced to a common basis having a certain likeness to the tissues which it is intended to replace , before the animal is in a ...
... known as " assimilation " ( Latin , assimilo , I make like to ) . In other words , the food has to be reduced to a common basis having a certain likeness to the tissues which it is intended to replace , before the animal is in a ...
Página 6
... known . Owing to their complexity of structure , comparatively speaking , it will not be ad- visable to take one of the Sponges as the type of this class . We shall therefore select as an example the little animalcule known as the Amœba ...
... known . Owing to their complexity of structure , comparatively speaking , it will not be ad- visable to take one of the Sponges as the type of this class . We shall therefore select as an example the little animalcule known as the Amœba ...
Página 8
... system is at most represented by a rudimentary contractile sac or chamber . These characters distinguish the class of the Rhizopoda as a whole . 9 CHAPTER III . CLASS INFUSORIA . THE animals known 8 OUTLINES OF NATURAL HISTORY .
... system is at most represented by a rudimentary contractile sac or chamber . These characters distinguish the class of the Rhizopoda as a whole . 9 CHAPTER III . CLASS INFUSORIA . THE animals known 8 OUTLINES OF NATURAL HISTORY .
Página 9
Henry Alleyne Nicholson. 9 CHAPTER III . CLASS INFUSORIA . THE animals known as " Infusorian Animalcules , " are all microscopic in their dimensions , and , though of uni- versal occurrence , they are for this reason only known to ...
Henry Alleyne Nicholson. 9 CHAPTER III . CLASS INFUSORIA . THE animals known as " Infusorian Animalcules , " are all microscopic in their dimensions , and , though of uni- versal occurrence , they are for this reason only known to ...
Página 11
... known as " cilia . " A mouth is present , but there is no distinct stomach or body - cavity . There are no diges- tive or respiratory organs , and no nervous system , and the only traces of a circulatory system are to be found in one or ...
... known as " cilia . " A mouth is present , but there is no distinct stomach or body - cavity . There are no diges- tive or respiratory organs , and no nervous system , and the only traces of a circulatory system are to be found in one or ...
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Palavras e frases frequentes
abdomen adductor muscle Advanced Text-Books animal antennæ appendages arms attached backbone beak bivalve blood body body-cavity bone breathing-organs breathing-tubes carries cavity chambers characters distinguish colour common common Frog common House Spider composed consists contained Crown 8vo Diagram Dictionary digestive distinct heart distinct vent distinguish the class domestic Goose dorsal fin Edition Engravings eyes Fcap feelers fins fluid Flustra foot-jaws Frog front Geology gills Goose Greek Grey Lag gullet head horny Hydra insect internal anatomy intestine jointed known Latin Leech limbs Lithobius Lithobius forficatus little nervous masses Lobster lower surface lungs mantle MANUAL means membranous mouth muscular Mya arenaria nervous system opens outer pairs of legs peculiar Perch PHYSICAL GEOGRAPHY plate portion processes quadrate bone RECAPITULATION OF ESSENTIAL rings or segments rudimentary Scolecida shell side skin skull soft spines Star-fish stomach sub-kingdom sucker tail teeth tentacles thorax tion tube valve Whelk Zoology
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