This is a short summary of the paper
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Introduction To Evolution
Start of Term Paper
What is Evolution? Evolution is the process by which all living things
have developed from primitive organisms through changes occurring over billions
of years, a process that includes all animals and plants. Exactly how evolution
occurs is sti .... Middle of Term Paper
... in changing environments. Evolution
apparently has no built-in direction purpose. A given kind of organism may
evolve only when it occurs in a variety of forms differing in hereditary traits,
that are passed from parent to offspring. By chance, some varieties prove to be
ill adapted to their current environment and thus disappear, whereas others
prove to be adaptive, and their numbers increase. The elimination of the unfit,
or the "survival of the fittest," is known as Natural Selection because it is
nature that discards or favors a particular being. Evolution takes place only
when natural selection operates on apopulation of organi ... |
| Number of Words: 3618 |
Approximate Pages: 14 |
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