Reconstructing Cambrian Food Webs
Category: Ecology
A walk-through of a recent PLoS paper that models food webs from the remains in the Burgess and Chengjiang Shales.
Posted by Jeremy at 11:50 AM • • 0 TrackBacks
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Paleontology:
A Link Between Dugongs and Elephants
Category: Animals
A comparison of carbon/oxygen isotope ratios from the tooth enamel of two early proboscideans, Moeritherium and Barytherium to other animals of the same era (circa 37 mya) revealed to researchers the possibility of a ancient, semi-aquatic animal, linking the speculated...
Posted by Jeremy at 7:00 PM • 2 Comments • 0 TrackBacks
Before Predation, the Sex Was Great
Category: Ecology
There's a neat study being published today in Science discussing the reproductive potential of ecological systems 570 mya. The findings are based on the new discovery of a "tube-like" organism (so say the PRs) called Funisia dorothea, which apparently was...
Posted by Jeremy at 10:40 AM • • 0 TrackBacks
Why Spiders Aren't Insects III: Opportunity in the Wake of Mass Extinction
Category: Animals
So far we have established that spiders are distinct from insects for two reasons: physiology (mouth parts, body plan, respiratory structures) and more importantly, evolutionary history (or phylogeny, as scientists call it). But where did spider's come from? How did...
Posted by Jeremy at 11:15 AM • 3 Comments • 0 TrackBacks
Why Spiders Aren't Insects II: A Primer on Cladistics
Category: Animals
So how is it that spiders are more closely related to horseshoe crabs - marine arthropods that haven't changed much in the past 250 million years - than to a more obvious choice, the insects? The answer to that question...
Posted by Jeremy at 11:05 AM • 1 Comments • 0 TrackBacks
Walcott vs. the Cambrian, Dawkins vs. Gould vs. Fortey
Category: Paleontology
A bit of random science history.
Posted by Jeremy at 10:55 AM • 2 Comments • 0 TrackBacks
What Color Was Ailuropoda microta, the Pygmy Giant Panda?
Category: Animals
Evolutionary history and bed stories...
Posted by Jeremy at 10:22 AM • 1 Comments • 0 TrackBacks
The Evolutionary History of the Red Panda
Category: Animals
Day three of Red Panda Week: Ancestry.
Posted by Jeremy at 11:24 AM • • 0 TrackBacks
Oekologie #5: Looking Back at Ancient Arabic Ecological Writings
Category: Carnivals
A ton of great posts on the latest edition of the traveling ecology and environmental science blog carnival.
Posted by Jeremy at 12:17 PM • 2 Comments • 0 TrackBacks
And You Know What Big Antlers Mean, Megaloceros
Category: Paleontology
European researchers at several institutions have found evidence that supports another one of Darwin's speculations: A male roe deer's antlers are representative of the individual's attributes, and thus play a central role in sexual selection. Jean-Michel Gaillard comments, "Our results...
Posted by Jeremy at 8:29 AM • 1 Comments • 0 TrackBacks
