(PLOS) Bigger animals are typically more fit, and body size is heritable, buy countless studies of wild animal populations haven't shown body size increasing in populations across generations. Recent research publishing on Jan. 26th, 2017 in the open access journal PLOS Biology provides new evidence and theory to explain why. This new work, from Timothée Bonnet, University Zurich, Switzerland, and colleagues, which studies a population of alpine snow voles, reveals new insights into why body size is maintained.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2ky2dWf
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