Ecosystems, Vol. 9, No. 1 (Feb., 2006), pp. 97-118 (22 pages) There is disagreement among ecologists as to whether ecosystem system behavior in general is the net result of all of the complex internal ...
The upper Miocene Castaic Formation contains a megafauna of about 100 species, most of which are pelecypods and gastropods. Minor elements of the fauna are scaphopods, brachiopods, echinoderms, ...
PLATE 1. Figures 1–4: Carcharhinus amblyrhynchoides (DGCUSB/BB-115,112), upper antero-lateral, Figures 5–6: Carcharhinus brevipinna (DGCUSB/BB-136), upper tooth, Figures 7–10: Carcharhinus perezi ...
Projections of our future under climate change paint a picture of extreme weather and acidified oceans, a world many of today’s animals — including humans — may struggle, or fail, to survive. Yet ...
A handful of tiny teeth found in Israel's Negev desert led researchers to describe a new species of rodent which has been extinct for nearly 18 million years. A handful of tiny teeth found in Israel's ...
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