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Mechanism

mechanism

The manner of combination of parts, processes, etc., which subserve a common function.

Origin: Gr. Mechan = machine


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The evolution of facilitation and semelparity

... one species doing all the work, despite no direct benefit (beavers and dams). Even taking relative fitness into account, I still can't see the mechanism behind it? Would anyone be able to enlighten me?

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by SimonNSmith
Sun Dec 21, 2014 1:14 pm
 
Forum: Evolution
Topic: The evolution of facilitation and semelparity
Replies: 3
Views: 1029

New theory of evolution

... (590-545 millions of years) . It shows that development after achievement of certain critical level suddenly accelerates (see end of text - mechanism of evolutional processes). 2. Gigaevolution http://studia.scienceontheweb.net/diagrams/Giga_evolution.gif http://studia.scienceontheweb.net/diagrams/Giga_evolution_more_in_detail.gif ...

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by SystemRGB
Fri Nov 14, 2014 11:45 pm
 
Forum: Evolution
Topic: New theory of evolution
Replies: 0
Views: 848

Re:

Theory 2) At one point, humans will probably stop growing body hair because of an evolutionary mechanism that will influence mutation and cause our offspring to not have hair follicles, because they are not necessary or helpful anymore. Point 1: Mutations are random. They ...

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by Cat
Fri Oct 31, 2014 2:02 am
 
Forum: Evolution
Topic: Can human body hair disappear as a result of... clothing?
Replies: 4
Views: 1471

Can human body hair disappear as a result of... clothing?

... when you already have hair doesn't kill anybody. Theory 2) At one point, humans will probably stop growing body hair because of an evolutionary mechanism that will influence mutation and cause our offspring to not have hair follicles, because they are not necessary or helpful anymore. Which ...

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by jplr
Sat Oct 11, 2014 6:16 pm
 
Forum: Evolution
Topic: Can human body hair disappear as a result of... clothing?
Replies: 4
Views: 1471

Re: translation from DNA

... repression by mRNA, inhibition by natural antisense transcripts, etc. Perhaps the RNA intermediate was required in early life to provide a mechanism for regulation of gene expression.

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by jonmoulton
Mon Sep 29, 2014 3:03 pm
 
Forum: Molecular Biology
Topic: translation from DNA
Replies: 4
Views: 5393
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