Bears sweat during hibernation because of their fur. Their sweat is actually very valuable in chinese traditional medicine so that could be a problem I guess. I hope this helps.
Mucilaginous sheath. Cyanobacteria are microorganisms that have survived for a thousand years now. They process and create their food through the photosynthetic mechanisms they possess and this process also includes nitrogen fixation and other biogeochemical process that contributes to most cycles.
The mitochondrion converts the energy in glucose into adenosine triphosphate (atp)