The World as Science Sees It; Or, Matter and Life

The World as Science Sees It; Or, Matter and Life

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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. 1914 edition. Excerpt: ...dil-emma-We take We must hold it not as verifilalble truth but as an vorpinion, for--none e 'er comprehended How soul and bowdy w.edded are anld blended." The above table taken by consent from Cl0dd's Primer of Evolution (Longsman, Green & C0.) gives a fairly correct impression of the strata and the first appearance of typical plants and animals. An impression of the time necessary to make all the layers of rocks may be inferred from the fact that the Tertiary Age required five million years. CHAPTER V. THE FACTORS OF EVOLUTION. There are various forms of life to be seen on earth but all the forms are composed of cells made up of the same chemical elements. On this account all life is the same in essence, and whether it be of flower or bird it has basic qualities that are the same, as, for instance, irritability, nutrition, reproduction, growth. We should say then that life that is always the same animates the forms of all the many hundred thousands of species of both plants and.animals. There are three thousand species of mammals and ten thousand species of birds now living. Of insects there are three-hundred thousand speoies now living, some of which, as ants and bees and spiders, have powers of mind that make them among the wonders of the world. The rock-s.of the earth's crust hold as fossils, which we can now-8X3iI11lI1e, the remains of many thousands of forms of life long extinct. Many of these fossil forms are similar to those now living, and all of them belong to one of the families into which all living things are classed by reason of resemblances in structure. All forms of life have shapes and parts and powers that adapt them to their particular place and to all things about them. Many of them are more

Product details

  • Paperback | 30 pages
  • 189 x 246 x 2mm | 73g
  • United States
  • English
  • black & white illustrations
  • 1236907353
  • 9781236907356