What might be the advantage of having a large surface area for a cell?

Can store more of the biomolecules

ph, Salinity, and Temperature. These three factors could cause an optimum cell function to cease.
Every cell in the body attains homeostasis in many aspects for it to survive and execute the many cellular activities. There are certain organ system that are responsible for such changes and maintenance for the bodily fluids to be at the right and biological level. 

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun