Evolution: The Way of Man |
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Page 66
... prehistoric life , absolutely authentic , so far as it goes , admitting of no doubt or question . But , as Lyell , the great geological champion of evolu- tion in Darwin's time , so expressively stated it , it took one hundred and fifty ...
... prehistoric life , absolutely authentic , so far as it goes , admitting of no doubt or question . But , as Lyell , the great geological champion of evolu- tion in Darwin's time , so expressively stated it , it took one hundred and fifty ...
Page 67
... prehistoric or- ganism which has been one of the links in the long and ages - old chain of descent from lowest and old- est to highest and most recent of organisms . Fos- sils help prove evolution , for they help fill the spaces in that ...
... prehistoric or- ganism which has been one of the links in the long and ages - old chain of descent from lowest and old- est to highest and most recent of organisms . Fos- sils help prove evolution , for they help fill the spaces in that ...
Page 69
... prehistoric plants and animals have had a hard time of it in their pleasant intention of presenting to future in- quisitive man an easily readable picture or story of the succession and kinds of life of the geologic ages . Yet , after ...
... prehistoric plants and animals have had a hard time of it in their pleasant intention of presenting to future in- quisitive man an easily readable picture or story of the succession and kinds of life of the geologic ages . Yet , after ...
Page 70
... prehistoric time , nor in any one part of the earth . In fact , the earth has suffered great changes through the ages ; where at one time there was ocean , at another there was land , and this reversal might be often repeated in one and ...
... prehistoric time , nor in any one part of the earth . In fact , the earth has suffered great changes through the ages ; where at one time there was ocean , at another there was land , and this reversal might be often repeated in one and ...
Page 72
... prehistoric man . The paleontological history of the plants tells a story similar to that of the animals . The oldest fos- sil plants are simple types of algæ . Ferns appear later and are abundant in the coal - bearing rocks . The ...
... prehistoric man . The paleontological history of the plants tells a story similar to that of the animals . The oldest fos- sil plants are simple types of algæ . Ferns appear later and are abundant in the coal - bearing rocks . The ...
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Common terms and phrases
adaptation adult algæ American amphibians animal kinds animals and plants anthropoid apes aquatic artificial selection behavior biological evolution biologists birds blood body bones brain branches brate called cavity chapter character cocoons colonial color Cro-Magnon Darwin distribution earth echinoderms egg cells embryo environment evidence evolution idea evolutionary existence explanation of evolution fact factors ferns fishes flowering plants fossils fundamental geologic golden gradatory heredity higher human evolution human future individuals insects islands Lamarck lancelet land larvæ living creatures lowest lution make-up mammals man's mind modified mollusks Monterey pine natural selection naturalists notochord ocean offspring one-celled organs paleontology parents pine plants and animals polyps prehistoric present produced Protozoa races reptiles rocks sea anemones sea urchins segments shell similar skeleton social inheritance societal evolution species sponges stages starfish structure swimming tion to-day trait trees types variations variety various vertebrates wings young