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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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Fossil rabbits in the Precambrian!

... example of *insert animal* in the Precambrian, this makes sense. Otherwise, I don't quite get it. For example, we have found animals living in eras far before the time we believed them to live. Biologists simply shift back the time on the evolutionary clock, saying that they must have evolved ...

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by Steiner
Sun Dec 22, 2013 8:25 pm
 
Forum: Evolution
Topic: Fossil rabbits in the Precambrian!
Replies: 0
Views: 1834

Re:

... doesn't render intelligence less useful than simpler traits. If it was inevitable, it had plenty of opportunity to arise over the last several eras Again, we disagree on the likelihood. I would never argue that intelligence would inevitably arise on this planet, even in another 10 billion years. ...

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by cakrit
Tue Jul 23, 2013 8:48 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 10000

Is complexity inevitable?

... to be very loosely defined to even be applied beyond humans). If it was inevitable, it had plenty of opportunity to arise over the last several eras, and there's no evidence to suggest that it did before now. Complexity is tied to resources - if enough material and energy is available in a system, ...

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by Darby
Tue Jul 23, 2013 4:08 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 10000

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: 247
Views: 649433

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: 5990
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