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Sediments

sediment

(Science: biology) A precipitate, especially one that is formed spontaneously.

Origin: L. Sedimentum


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Re: Diversifying selection

... do not smirk, there is global evidence in the strata that honest interpretation can see as catastrophic water and rapid massive movement of sediments--not caused by oceanic activity but abundant fast moving water)--- and if there was a man who built an ark, as many cultures have similar ...

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by AFJ
Sun Jul 12, 2009 1:33 pm
 
Forum: Evolution
Topic: Diversifying selection
Replies: 15
Views: 438

Biology is not a science

... chemistry aren't science? Nobody has witnessed firsthand the subsurface forces that account for all of our rocks except extrusive volcanics and sediments. Does this mean Geology is not a science? Finally: Biology = study of life If we knew the exact definition of life, would we need biology?

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by AstusAleator
Mon Jun 08, 2009 2:45 pm
 
Forum: General Discussion
Topic: Biology is not a science
Replies: 44
Views: 1359

Natural selection is proven wrong

... the lower strata. You must try to understand how fossils are formed. Not every organism that dies gets fossilized. You need an environment where sediments can cover a dead organism (quickly) and conditions that will prevent its complete destruction once buried. This doesn't happen everywhere ...

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by wbla3335
Sat Apr 25, 2009 7:19 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16282

The origin of prokaryotic and eukaryotic cells

... pathway of photosynthesis had evolved in certain anaerobic bacteria... 2 billion years ago, geological records showed the presence of oxidized sediments indicating that by the action of living organisms, the atmosphere was being transformed into a highly oxidizing state from a reducing one. ...

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by rajvandam
Mon Sep 15, 2008 1:10 am
 
Forum: General Discussion
Topic: The origin of prokaryotic and eukaryotic cells
Replies: 0
Views: 1417

Support for Prokaryotes....plz

... by geological processes the same way. If the ratios change toward the life-preferred isotopes, that's an indirect bit of evidence that the sediments that formed those layers, even if you can't find microfossils in them, had a lot of formerly living things in them.

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by Darby
Wed Sep 05, 2007 1:57 pm
 
Forum: Microbiology
Topic: Support for Prokaryotes....plz
Replies: 3
Views: 853
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