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. Elementary biology; an introduction to the science of life. Biology. 6 <f Fish, Chinook salmon {Oncor/iji/icAus tscha^vytscha) a â 'â P â¢9 ).5:' . "'**?*.5?^ 3^i Batrachian, frog {Rana palnstris). Batrachian, newt {A inblystovia pjtndatiivi) Fig. ii8. Development in some backboned animals a, egg: a^. fish ready to break out of egg: b, first free-swimming stage (tadpole in batrachians): (''j. later stage in fish, still showing yolk sac: c. more advanced stage (in batrachians, tadpole just before the appearance of hind legs) : d, later stage ; e, adult form during the three weeks of h
. Elementary biology; an introduction to the science of life. Biology. 6 <f Fish, Chinook salmon {Oncor/iji/icAus tscha^vytscha) a â 'â P â¢9 ).5:' . "'**?*.5?^ 3^i Batrachian, frog {Rana palnstris). Batrachian, newt {A inblystovia pjtndatiivi) Fig. ii8. Development in some backboned animals a, egg: a^. fish ready to break out of egg: b, first free-swimming stage (tadpole in batrachians): (''j. later stage in fish, still showing yolk sac: c. more advanced stage (in batrachians, tadpole just before the appearance of hind legs) : d, later stage ; e, adult form during the three weeks of hatching something was going on inside the eggshell of the chick. The development of an individual through a series of well-marked stages is called a metamorphosis, w^hich means " ;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gruenberg, Benjamin C. (Benjamin Charles), 1875-1965. Boston New York [etc. ] Ginn and company
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishe, booksubjectbiology