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Books Books 1 - 3 of 3 on ... We are accustomed, perhaps, to think of degeneration as necessarily implying....  
" ... We are accustomed, perhaps, to think of degeneration as necessarily implying a disadvantage in life. A degenerate animal is considered to be not the equal of a nondegenerate animal, and this would be true if both kinds of animals had to face the same... "
Elementary Zoology - Page 439
by Vernon Lyman Kellogg - 1901 - 492 pages
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Animal Life: A First Book of Zoology

David Starr Jordan - History - 1900 - 329 pages
...true if both kinds of animals had to face the same conditions of life. The blind, footless, simple, degenerate animal could not cope with the active,...animal has nothing to do with. Certainly the Sacculina lives successfully ; it is well adapted for its own peculiar kind of life. For the life of a scale...
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Animals: A Text Book of Zoology

David Starr Jordan, Vernon Lyman Kellogg, Harold Heath - Zoology - 1905
...true if both kinds of animals had to face the same conditions of life. The blind, footless, simple, degenerate animal could not cope with the active,...animal has nothing to do with. Certainly the Sacculina lives successfully ; it is well adapted for its own peculiar kind of life. For the life of a scale...
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Evolution and Animal Life: An Elementary Discussion of Facts, Processes ...

David Starr Jordan, Vernon Lyman Kellogg - Evolution - 1907 - 489 pages
...true if both kinds of animals had to face the same conditions of life. The blind, footless, simple, degenerate animal could not cope with the active,...degenerate animal has nothing to do with. Certainly the Saccitlina lives successfully; it iwell adapted for its own peculiar kind of life. For the life of...
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