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Natural Science Forum / Biology / Evolution / July 2005



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ThreadLast Post  Replies
Dinosaur Omelettes30 Jul 2005 04:35 GMT1
  What killed the dinosaurs?
  Current fashion assigns that to asteroid hits; a la Hollywood.
  I have always preferred to credit the evolution of placental
mammals. The little-understood trait of estrus pushes the female to
Article: 'Fires wiped out' ancient mammals29 Jul 2005 18:24 GMT4
     'Fires wiped out' ancient mammals
           By Helen Briggs
           BBC News science reporter
The first humans to arrive in Australia destroyed the pristine landscape,
Tyranny of Adenosine29 Jul 2005 18:24 GMT1
This from
http://www.biomedcentral.com/1471-2148/3/26
And though the chemistry is for the most part
beyond me, it seems to point in
About hybrids28 Jul 2005 17:22 GMT17
Is it true that crossing subspecies will produce fertile offspring, while
crossbreeding different species will result in infertile specimens?
Is it correct to assume that a fertile hybrid specimen is the result of two
subspecies?
Re: Optimal diversification in Avida28 Jul 2005 17:22 GMT7
"Perplexed in Peoria" jimmenegay@sbcglobal.net wrote:-
> > WA:-
> > As someone who does research in both real-world whole organism
biology
The shape of inbreeding/outbreeding depression28 Jul 2005 02:00 GMT9
I am looking for a published approximation of the relationship between
genetic divergence (e.g., between either gametic haploid genomes or parental
diploid genomes) and offspring fitness.  Clearly this is a very noisy
relationship, but what I need is an empirically or theoretically ...
History of genetic elements?27 Jul 2005 06:55 GMT14
Is anyone working on a timeline of functional genetic codes? Is it on
the horizon?
If so or not, perhaps it would be valoable to start a register of
theose interested in the basic idea, and another for possible
Speciation News...27 Jul 2005 06:55 GMT1
http://news.bbc.co.uk/1/hi/sci/tech/4708459.stm
S.
Sun to Adenine to ...27 Jul 2005 06:55 GMT2
Step one:
sun/uv heat cycle, and dry/wet cycle, and lightning produce
hydrogen cyanide found in Miller Urey type experiments.
Step two:
?Sites for arXives/e-prints?26 Jul 2005 17:13 GMT3
Hi...I usually haunt newsgroups devoted to astronomy and physics.
Certain sites like
 1)  http://adsabs.harvard.edu/abstract_service.html
and
Paper: Predation on prokaryotes26 Jul 2005 06:14 GMT2
Nature Reviews Microbiology 3, 537-546 (2005); doi:10.1038/nrmicro1180
PREDATION ON PROKARYOTES IN THE WATER COLUMN AND ITS ECOLOGICAL IMPLICATIONS
Jakob Pernthaler    about the author
Abstract
Quantification of evolutionary progress26 Jul 2005 06:14 GMT3
Hallo, some time ago I published a statistical
model that might also be relevant for describing
evolutionary time series. To test this idea
some sample data would be useful, e.g. how
Inept memory lapse in post about Entropy26 Jul 2005 06:14 GMT5
Although it hardly matters, Bekenstein is not the one that Hawking admits to
have lost the bet with.
It was John Preskill.
Sympatric speciation26 Jul 2005 06:14 GMT2
A news article about a Nature study relating to sympatric speciation:
``This process, called "reinforcement", prevents closely
 related species from interbreeding thus driving them further
 apart genetically and promoting speciation.
Understanding and Testing TDF (Total Darwinian FItness)26 Jul 2005 06:14 GMT6
"Perplexed in Peoria" jimmenegay@sbcglobal.net wrote:-
> JM:-
> As always, when I read one of your explanations, I come out with more
> questions than I started with.  Allow me to "recite back" some of the
Pages: 1 2 3 4 June, 2005
 
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