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10.1098/rspb.2016.0382 http://scihub22266oqcxt.onion/10.1098/rspb.2016.0382 C4843662!4843662!27075255     free     free     free       Proc+Biol+Sci 2016 ; 283 (1828): ä Nephropedia Template TP {{tp|p=27075255|t=2016. Cool echidnas survive the fire |pdf=|usr=}}{{27075255}} gab.com Text Cool echidnas survive the fire JO: Proc Biol Sci http://www.kidney.de/pget.php?&tw=1&pmid=27075255 #FOAvip Fires have occurred throughout history, including those associated with the meteoroid impact at the Cretaceous?Palaeogene (K?Pg) boundary that eliminated many vertebrate species. To evaluate the recent hypothesis that the survival of the K?Pg fires by ancestral mammals was dependent on their ability to use energy-conserving torpor, we studied body temperature fluctuations and activity of an egg-laying mammal, the echidna (Tachyglossus aculeatus), often considered to be a ?living fossil?, before, during and after a prescribed burn. All but one study animal survived the fire in the prescribed burn area and echidnas remained inactive during the day(s) following the fire and substantially reduced body temperature during bouts of torpor. For weeks after the fire, all individuals remained in their original territories and compensated for changes in their habitat with a decrease in mean body temperature and activity. Our data suggest that heterothermy enables mammals to outlast the conditions during and after a fire by reducing energy expenditure, permitting periods of extended inactivity. Therefore, torpor facilitates survival in a fire-scorched landscape and consequently may have been of functional significance for mammalian survival at the K?Pg boundary. Twit Text FOAVip Cool echidnas survive the fire ????Proc Biol Sci http://www.kidney.de/pget.php?&tw=1&pmid=27075255 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27075255 #FOAvip English Wikipedia <ref>{{Cite pmid|27075255}}</ref> Cool echidnas survive the fire #MMPMID27075255 Nowack J; Cooper CE; Geiser F Proc Biol Sci 2016[Apr]; 283 (1828): ä PMID27075255show ga Fires have occurred throughout history, including those associated with the meteoroid impact at the Cretaceous?Palaeogene (K?Pg) boundary that eliminated many vertebrate species. To evaluate the recent hypothesis that the survival of the K?Pg fires by ancestral mammals was dependent on their ability to use energy-conserving torpor, we studied body temperature fluctuations and activity of an egg-laying mammal, the echidna (Tachyglossus aculeatus), often considered to be a ?living fossil?, before, during and after a prescribed burn. All but one study animal survived the fire in the prescribed burn area and echidnas remained inactive during the day(s) following the fire and substantially reduced body temperature during bouts of torpor. For weeks after the fire, all individuals remained in their original territories and compensated for changes in their habitat with a decrease in mean body temperature and activity. Our data suggest that heterothermy enables mammals to outlast the conditions during and after a fire by reducing energy expenditure, permitting periods of extended inactivity. Therefore, torpor facilitates survival in a fire-scorched landscape and consequently may have been of functional significance for mammalian survival at the K?Pg boundary. äCool echidnas survive the fire (epmc).pdf DeepDyve Pubget Overpricing