Quantcast
Last updated on April 16, 2014 at 16:55 EDT

Latest Tomasz Baumiller Stories

91b826d5a07ff943ea480d7076a1d5711
2010-03-16 08:09:24

Nature abounds with examples of evolutionary arms races. Certain marine snails, for example, evolved thick shells and spines to avoid be eaten, but crabs and fish foiled the snails by developing shell-crushing claws and jaws. Common as such interactions may be, it's often difficult to trace their origins back in evolutionary time. Now, a study by University of Michigan paleontologist Tomasz Baumiller and colleagues finds that sea urchins have been preying on marine animals known as crinoids...

2005-06-16 11:15:00

ANN ARBOR, Mich. - In the classic textbook example, predators and prey are locked in an escalating evolutionary arms race. As prey develop defenses against their attackers, predators go them one better, devising new ways of penetrating their victims' defenses. But it doesn't always happen that way, and investigating systems in which prey don't respond to predation by upping the ante can be as informative as studying the more typical sort, said University of Michigan paleontologist Tomasz...