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Eras

Erasion

An obsolete term for the scraping away of tissue, especially of bone.

Origin: L. E-rado, pp. E-rasum, to scrape away


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Natural selection is proven wrong

... explosion. This "explosion" occurred over a period of 40-50 million years. It's called an explosion because relative to other geological eras, a lot of new forms did indeed appear. If you look at the fossils from one site, e.g. the Burgess shales, you do see forms appearing "suddenly" ...

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by wbla3335
Sat Apr 25, 2009 7:19 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 17076

Re:

... in the near past and will likely exist in the near future? For the sake of argument, I will assume that past, current, and future environment are eras of indeterminable length marked by distinctly different environmental conditions. Perhaps the person who created the question intended a meaning ...

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by AstusAleator
Tue Feb 10, 2009 9:41 pm
 
Forum: Evolution
Topic: Evolution interactions
Replies: 7
Views: 1152

AGE OF BIRDS

I have always wondered. We have all these eras and ages in which a particular group of animals was dominant but we do not have a time when birds dominated the earth and by dominated I mean lived in very large numbers and were the major animals. ...

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by Mumoki
Wed Sep 13, 2006 8:53 am
 
Forum: Evolution
Topic: AGE OF BIRDS
Replies: 4
Views: 1259


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