Natural Science Forum / Biology / Evolution / December 2005

Earliest Bird Had Feet Like Dinosaur, Fossil Shows
Nicholas Bakalar
December 1, 2005
A 150-million-year-old fossil of Archaeopteryx, long considered the oldest

When I try to use LTQ to analyze the protein of mouse liver, I find
that the sequence of protein is one protein and another, if I down them
one by one, perhpas one year is needed, how can I down the total
protein sequence of mouse quickly?

I'm not sure this review is 100% accurate but it sounded interesting.
MR
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Lynn Margulis, Dorion Sagan:

I`m studying animal physiology, and i need information about the evolution
of the excretion mecanisms throughout the phyllogeny.
thanx

_Endless Forms Most Beautiful, The New Science of Evo Devo, and the making
of the Animal Kingdom_, Sean B. Carroll
"The evolution of form occurs through changes in development", i.e., new
animals and the new body structures they possess arise from changes in the

Precision Extinction
Eradicating a species when you want to isn't that easy
By Nick Atkinson
On a bleak December afternoon in 1989, with the color drained from the skies

Dear S.B.E. Readers:
This is a rather prosaic question but I'm hoping a reader(s) can point
me to some possible sources relating to the interrelationship between
sex and death, in the species general and humans in particular. I'm

http://plato.stanford.edu/entries/square/
I argue that a consistent failure exists wherein Hamilton et al utterly fail
to preserve or correctly convert fitness at one level of selection into
another. Therefore I suggest that a revision of basic logic may be in order

I want to thank the person who explained the meanings
of the symbols used in Hamilton's rule a couple of
days ago, but I can't find the post and don't remember who
it was.  Anyway, thank you.  Now everything people are