Beginners' zoology . (6, 7, Fig. 248.) Can you locate the gills after they be-come internal i (Fig. 249.). 128 BEGINNERS ZOOLOGY In what state of growth are the legs when the tadpolefirst goes to the surface to breathe ? Which legs appearfirst ? Of what advantage is this? What becomes of thetail ? Is the tail entirely gone before the frog first leavesthe water ? Are tadpoles habitually in motion or atrest ? Is the intestine visible through the skin ? (Fig, 249.)Is it straight or coiled ? Remembering why some fishhave larger intestines than others, and that a cow has along intestine and a cat a
Beginners' zoology . (6, 7, Fig. 248.) Can you locate the gills after they be-come internal i (Fig. 249.). 128 BEGINNERS ZOOLOGY In what state of growth are the legs when the tadpolefirst goes to the surface to breathe ? Which legs appearfirst ? Of what advantage is this? What becomes of thetail ? Is the tail entirely gone before the frog first leavesthe water ? Are tadpoles habitually in motion or atrest ? Is the intestine visible through the skin ? (Fig, 249.)Is it straight or coiled ? Remembering why some fishhave larger intestines than others, and that a cow has along intestine and a cat a short one, state why a tad-pole has a relatively longer intestine than a frog. Compare the mouth, jaws, eyes, skin, body, and habitsof tadpole and frog. Frogs Prove that frogs and toads are bejieficial to man. Didyou ever know of a frog or a toad destroying anythinguseful, or harming any one, or causing warts? Howmany pupils in class ever had warts? Had they handledfrogs before the warts came? Frogs are interesting,gentle, timid animals. Why are they repulsive to somepeople? Environment.— Where are
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
