Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming
Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming
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In our eReader you can find the full English version of the book. Read Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming
What reading level is Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming book?
To quickly assess the difficulty of the text, read a short excerpt:
How can any living cell be acted upon by stimuli and yet not react to them? There is not a single observation to show that any germ- cell, or its germ-plasm, is in any way guarded or protected from external stimuli, either by the structure of its cell wall or peripheral cytoplasm, or by the nature of the living tissue that encloses it.
And whatever affects the cell body must indirectly affect the chromosomes, because of the physiological connection of the two.
"From such considerations it would... seem practically certain that the energies of the chromosomes are to some extent respondent to environmental stimuli. And since observation shows that living matter responds differently, if not always according to the nature of the stimulus at least to its degree, it would follow that change in the nature or degree of the environmental agencies would indirectly engender change in the activities of the germ-plasm. Not to admit this would be to deny to the germ-plasm, without empirical reason, properties proven for all other living substances.
What to read after Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming?
You can find similar books in the "Read Also" column, or choose other free books by Vernon L Vernon Lyman Kellogg to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
How can any living cell be acted upon by stimuli and yet not react to them? There is not a single observation to show that any germ- cell, or its germ-plasm, is in any way guarded or protected from external stimuli, either by the structure of its cell wall or peripheral cytoplasm, or by the nature of the living tissue that encloses it.
And whatever affects the cell body must indirectly affect the chromosomes, because of the physiological connection of the two.
"From such considerations it would... seem practically certain that the energies of the chromosomes are to some extent respondent to environmental stimuli. And since observation shows that living matter responds differently, if not always according to the nature of the stimulus at least to its degree, it would follow that change in the nature or degree of the environmental agencies would indirectly engender change in the activities of the germ-plasm. Not to admit this would be to deny to the germ-plasm, without empirical reason, properties proven for all other living substances.
What to read after Darwinism To-Day; a Discussion of Present-Day Scientific Criticism of the Darwinian Selection Theories, Together With a Brief Account of the Principal Other Proposed Auxiliary And Alternative Theories of Species-Forming?
You can find similar books in the "Read Also" column, or choose other free books by Vernon L Vernon Lyman Kellogg to read onlineMoreLess
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