Beginners' zoology . Fig. 382.—Skeletons of Feet ok Mammals. P, horse; D, dolphin; E, elephant; A^ monkey; T, tiger; O, aurochs;F, sloth; ^/, mole. Question: Explain how each is adapted to its specialized function. lliohippus. According to the usual rule, they tended toincrease faster than the food supply, and therewere continual contests for food. Those whoseclaws and teeth were sharper drove the othersfrom the food, or preyed upon them. Thus thespecialization into the bold flesh eating beastsof prey and the timid vegetable feeders of the flesh eaters has already been stud-ied at


Beginners' zoology . Fig. 382.—Skeletons of Feet ok Mammals. P, horse; D, dolphin; E, elephant; A^ monkey; T, tiger; O, aurochs;F, sloth; ^/, mole. Question: Explain how each is adapted to its specialized function. lliohippus. According to the usual rule, they tended toincrease faster than the food supply, and therewere continual contests for food. Those whoseclaws and teeth were sharper drove the othersfrom the food, or preyed upon them. Thus thespecialization into the bold flesh eating beastsof prey and the timid vegetable feeders of the flesh eaters has already been stud-ied at length ? The insectivora escaped theirenemies and found food by learning to burrowor fly. The rodents accomplished the same result either byacquiring great agility in climbing, or by living in holes, orby running. The proboscidians acquired enormous sizeand strength. The hoofed animals found safety in flight. Otohppus. Fig. 383.—Feet of Ihe ancestors ofthe horse. 212 BEGINNERS ZOOLOGY MW^ ^r^


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921