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Thoeries Of Evolution
Part 1 of Paper
.... to adapt to the changing environment. The earliest
known fossil organisms are the single-celled forms resembling modern bacteria;
they date from about 3.4 billion years ago. Evolution has resulted in
successive radiations of new types of organisms, many of which have become
extinct, but some of which have developed .... Part 2 of Paper
....of
Natural Selection (1859), is a landmark in human understanding of nature.
Pointing to variability within species, Darwin observed that while offspring
inherit a resemblance to their parents, they are not identical to them. He
further noted that some of the differences between offspring and parents were
not due soley to the environment but were themselves often inheritable. Animal
breeders were often able to change the characteristics of domestic animals by
selecting for reproduction those .... |
| Number of words: 1798 - Approximate pages: 7 |
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