In contrast, under the same chilly conditions, the tongue movements of ectotherms, which rely fully on a muscle - based system, slowed by 42 percent. (scientificamerican.com)
«We've done very well at saying climate change will have an impact on ectotherms, but we've done less well at saying how they will be effected,» said Manuel Leal, an associate professor of biological sciences at the University of Missouri and one of the paper's authors. (sciencedaily.com)
To get around those limitations, Hirt and her colleagues looked at previously collected data for a wide variety of creatures, including ectotherms (so - called cold - blooded animals) as well as warm - blooded endotherms. (sciencemag.org)