Beginners' zoology . Rat,monkey, squirrel. Giraffe, leopard, camel. , cat, cow. Why ?Check the five mammalsin the following lists thatform a group resemblingone another most closely:Lion, bear, pig, dog, squir-rel, cat, camel, tiger, your reasons. Gi-raffe, leopard, deer, cow,rat, camel, hyena, horse,monkey. State reasons. Teeth and toes arethe basis for subdividingthe class mammalia intoorders. Although the breathing, the circulation,and the internal organsand processes are fimilar in all mammals,the external organs vary Fig-341- — Weasel, in summer; in Canada great
Beginners' zoology . Rat,monkey, squirrel. Giraffe, leopard, camel. , cat, cow. Why ?Check the five mammalsin the following lists thatform a group resemblingone another most closely:Lion, bear, pig, dog, squir-rel, cat, camel, tiger, your reasons. Gi-raffe, leopard, deer, cow,rat, camel, hyena, horse,monkey. State reasons. Teeth and toes arethe basis for subdividingthe class mammalia intoorders. Although the breathing, the circulation,and the internal organsand processes are fimilar in all mammals,the external organs vary Fig-341- — Weasel, in summer; in Canada greatly because of ^ ^ ^^ ^?^^ ^ *^P °^^• the varying en-vironments of different species. The internal structure enables us to place animals together which are essentiallyahke; the whale and man are both mammals, sincethey resemble in breathing, circulation, and multiplicationof young. The external organs guide us in separating theclass into orders. The teeth vary according to the food. y/yy-r- 192 nEGINNERS ZOOLOGY
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
