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SUMMARY:Destructive and constructive roles for physiological noise in organ
 ismal biology
LOCATION:Anatomy/Zoology Building W118
TZID:America/Denver
DTSTART:20152101T000000
UID:2026-04-20-16-52-15@natsci.colostate.edu
DTSTAMP:20260420T165215
Description:In organisms\, physiological noise arises from many sources—f
 rom changes in the external environment\, from changes in internal physiol
 ogical state\, and from stochastic effects from the small numbers of parti
 cles interacting. I will discuss both destructive and constructive consequ
 ences of physiological noise\, and I will propose a unified view for how o
 rganisms have evolved in response to that noise. The first big idea is tha
 t homeostasis evolved primarily to minimize noise in physiological channel
 s. In effect\, homeostasis provides quiet physiological backgrounds for th
 e rapid\, clear transmission of all kinds of physiological information. Th
 e second big idea is that stochastic events (noise) during development can
  diversify intra-organismal phenotypes in a way that makes them more robus
 t to future environmental insults. I argue that this intra-organismal dive
 rsity—called mosaic physiology—may play roles as important in organism
 al biology as the roles already imagined for phenotypic plasticity. 4:00 p
 m
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