Glutamate (Glu) is the primary excitatory transmitter in the mammalian brain. But, we know
little about the evolutionary history of this adaptation, including the selection of l-glutamate …

Crustaceans are major constituents to aquatic ecosystems that provide a variety of
ecological and economic services. Individual crustacean species are adept at occupying …

Reefs containing abundant calcified metazoans occur at several stratigraphic levels within
carbonate platforms of the terminal Proterozoic Nama Group, central and southern Namibia …

Considered Mother Nature's medicine cabinet in many areas of the world, marine organisms
have been known from time immemorial to possess curative powers. But until recently, their …

There are some fundamental generalizations that can be made about the biology and
ecology of invertebrates associated with coral reefs. For example, it is widely accepted that …

Despite recent attention given to the concept of modularity and its potential contribution to
the evolvability of organisms, there has been little mention of how such a contribution may …

It is widely known that in 1989 a tremendous biomass of Mnemiopsis leidyi was reported in
the Black Sea. At the same time, drastic declines in the pelagic fish stocks were reported …

We investigated evolutionary relationships among deuterostome subgroups by obtaining
nearly complete large-subunit ribosomal RNA (LSU rRNA)-gene sequences for 14 …

We analyzed phylogenetic relationships among 12 nominal species of starfish in the genera
Patiriella and Asterina (Order Valvatida, Family Asterinidae), based on complete sequences …

The remarkable “evolution” of the reconstructions of Anomalocaris, the extraordinary
predator from the 515 million year old Middle Cambrian Burgess Shale of British Columbia …