Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 114
... segments of their cœlom as so many reproductive chambers , a condition which has become lost in the higher forms . Phylum IV . POLYZOA - Plant - like Animals . Animal bodies unsegmented , bilateral or irregular , forming large attached ...
... segments of their cœlom as so many reproductive chambers , a condition which has become lost in the higher forms . Phylum IV . POLYZOA - Plant - like Animals . Animal bodies unsegmented , bilateral or irregular , forming large attached ...
Strona 115
... segments , not differentiated between one another , in higher types becoming arranged in groups ( head , thorax and abdomen ) 1 Loc . cit . which foreshadow the divisions of the body in vertebrate types , often with partial fusion of ...
... segments , not differentiated between one another , in higher types becoming arranged in groups ( head , thorax and abdomen ) 1 Loc . cit . which foreshadow the divisions of the body in vertebrate types , often with partial fusion of ...
Strona 116
... segments ; the tail is more im- portant here than in other groups , acting as the chief organ of propulsion . Phylum VIII . AMPHIBIA - Amphibians or Batrachians . Animals which are definitely aquatic in the larval stage , but ...
... segments ; the tail is more im- portant here than in other groups , acting as the chief organ of propulsion . Phylum VIII . AMPHIBIA - Amphibians or Batrachians . Animals which are definitely aquatic in the larval stage , but ...
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added adult alimentary canal analogy analysis animals Applications arranged atom becoming bilateral Black blastopore body bone British Canada carbon cavities character Chemical chemistry circulatory system clearly cœlom compared conception consider constructed containing definite described developed discoveries distinct dominant dorsal Drebbel ducts element embryo exact excretory experiments external extract force fundamental gills give given groups gypsum head heart higher ideas important included industry interest internally known laboratory latter Lavoisier less light limbs London lungs malt material means ment mesoderm method molecule mouth muscle National Mark nature neck nervous system obtained opening organic molecule organs original pairs Paris passing Patent Phylum physical placenta plant position possible present Priestley primitive problem produce quantitative Ratio reproduction segments sense separate short skeleton sometimes stages structure substances tail tion trunk types urogenital usually various vegetative whole