ZOOLOGY 651 Chapter Notes - Chapter 10: Continental Drift, Supercontinent, Anthropocene
28 Sep 2016
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Chapter 10: the new pangea best time to conduct a bat census is the dead of winter. Look for place to settle down when mercury drops. True hibernators in march 2007, ny there"s dead bats everywhere . It spread - white powdery substance was found in four different states; bats kept dying. In some hibernacula, populations plunged by more than 90% Identified as a cold-loving fungus, psychrophile white-nose syndrome. Hypothesized that the fungus irritates the animals to the point of arousal, causing them to use up the fat stores that were supposed to take them through the winter. Proposed that it causes bats to lose moisture through their skin. Most likely spread to u. s. from europe. Darwin"s theory of descent with modification: each species arise at a single place of origin long-distance travel is nearly impossible for most species. Could become widely dispersed given enough time; still limited by boundaries/physical isolation, i. e. oceans.
