<span>All of the following patterns were witnessed by Darwin except that species vary within very short spans of time. Charles Darwin put forth a coherent theory of evolution and amassed a great body of evidence in support of this theory. By the 19th Century, a number of natural historians were beginning to think of evolutionary change as an explanation for patterns observed in nature.</span>
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Your answer: <u>Delta</u>
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The answer is wave erosion
Competition , predation and various form of symbiosis can powerfully affect an ecosystem
