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Size of mammals exploded after dinosaur extinction
Date:11/25/2010

hinos; Proboscidea, which includes elephants, mammoth and mastodon; Xenarthra, the anteaters, tree sloths, and armadillos; as well as a number of other extinct groups.

The results give clues as to what sets the limits on mammal size on land; the amount of space available to each animal and the climate they live in. The colder the climate, the bigger the mammals seem to get, as bigger animals conserve heat better. It also shows that no one group of mammals dominates the largest size class the absolute largest mammal belongs to different groups over time and space.


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Contact: Leanne Yohemas
leanne.yohemas@ucalgary.ca
403-220-5144
University of Calgary
Source:Eurekalert  

Page: 1 2

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Size of mammals exploded after dinosaur extinction
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