Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
Display:
Maybe one of the evolutionary purposes of shell formation is eliminating calcium as an impurity?
Magnesium is an essential element in biological systems. Magnesium occurs typically as the Mg2+ ion. It is an essential mineral nutrient for life[1][2][3] and is present in every cell type in every organism.


Those whom the Gods wish to destroy They first make mad. -- Euripides
by Migeru (migeru at eurotrib dot com) on Fri Oct 6th, 2006 at 11:53:54 AM EST
[ Parent ]

Others have rated this comment as follows:

Display:

Occasional Series