Zoology in Wisconsin High Schools

Zoology in Wisconsin High Schools

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 edition. Excerpt: ...anatomical resemblances between allied animals. Reinforce that by similarities in embryos. Paleontological evidence may also be used. But more than this is not profitable." The following types may be profitably studied in order to bring out the idea as stated above. In this case, as in the preceding, and as also in the succeeding points, the types are not given in the order in which they should be studied-(a) Paramecium and its allies, amoeba and vorticella. (b) Hydra and its allies, including the hydroid colony, and coral. The fresh water sponge may also be introduced here, (o) The earth worm and its allies, -the leech and flatworms. (d) The insects, including the grasshopper, cricket and locust; the butterfly with the moth; the house fly with the horse fly and mosquito. (e) The snail with its allies, -the sing and the fresh water olam. (f) The vertebrates, inoluding the fishes, frogs and toads, snake and turtle, birds and mammals. By noting the similarities in the different groups, and by pointing out the resemblances between groups, where it can be done easily, the idea of evolution can very easily, be demonstrated. Especially can this be done among the vertebrates. he Teaching of Zoology. K. A. Bigelow, Chapter 11. The next point that deserves our attention is the animals which should he studied in regard to their economic aspects. This group of animals might be extended to great length. When it is considered that many of our diseases are caused directly or indirectly by insects; that most of the damage to our crops is done by insects; that the list of birds which are destructive to injurious insects is very large; that many of our food produots are animals;-when we realize all this, we will begin to see what a wide field we have...
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Product details

  • Paperback | 30 pages
  • 189 x 246 x 2mm | 73g
  • United States
  • English
  • black & white illustrations
  • 1236775198
  • 9781236775191