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Politics : Evolution

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To: Brumar89 who wrote (62581)11/12/2014 4:17:06 PM
From: TigerPaw  Read Replies (1) of 69300
 
"The organisms are now changing faster." But why do they change faster?

When the ecosystem changes to the point that organisms are now at a disadvantage, they either die out, or have offspring which are better able to tolerate the changes in the ecosystem.

There are many ways for an ecosystem to change besides changes in the Earth (or Sun). An ecosystem is more defined by the total population of organisms it contains, so a change, even a random change, to one organism can have a ripple effect through the whole group of surrounding organisms.
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