. Beginners' Zoology . horse specialized for speed ? Do all have tail vertebrae, or vertebrae beyond hhe hip bones ? Does each have shoulder blades ? Compare (i) fore limbs, (2) hind limbs, (3) jaws of the seven skeletons. Which has relatively the Fig. ^qq Man shortest jaws ? Why ? What seems to be the t^pical number of ribs ? limbs ? digits ?Does flipper of a dolphin have same bones as arm of a man ? How many th;:mbs has a Which is more specialised , the foot of aman or that of a chimpanzee? Is the foot of a man or that of a chimpanzee betiersuited for supporting weight? How does
. Beginners' Zoology . horse specialized for speed ? Do all have tail vertebrae, or vertebrae beyond hhe hip bones ? Does each have shoulder blades ? Compare (i) fore limbs, (2) hind limbs, (3) jaws of the seven skeletons. Which has relatively the Fig. ^qq Man shortest jaws ? Why ? What seems to be the t^pical number of ribs ? limbs ? digits ?Does flipper of a dolphin have same bones as arm of a man ? How many th;:mbs has a Which is more specialised , the foot of aman or that of a chimpanzee? Is the foot of a man or that of a chimpanzee betiersuited for supporting weight? How does its construction fit it for this? Which has a better hand, a man or a chimpanzee ? What is the difference intheir arms ? Does difference in structure correspond to difference in use ? .Which of the seven skeletons bears the most complex breastbone ?Which skeleton bears no neck (or cervical) vertebrse ? Which bears only one 7Are all the classes of vertebrates represented in this chart ? (p. 125.) 220 BEGINiVERS ZOOLOGY. Fig. 401. —Sacred uf India \^::i€ eiUellus). x i^. Monkeys, Apes, and Man.— Study the figures (399, 400);compare apes and man and ex-plain each of the differences inthe following list: (i) feet, threedifferences; (2)arms; (3)braincase; (4) jaws; (5) canineteeth ; (6) backbone ; (7) dis-tance between the eyes, A hand, unlike a foot, hasone of the digits, called athumb, placed opposite theother four digits that it may beused in grasping. Two-handedman and four-handed apes andmonkeys are usually placed in fig. (z.«.«^^ ? ? _ goz). X jj. Which digit bears a one order, the Primates, or claw?
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