Plants and some bacteria use photosynthesis to produce simple sugars.
I believe the answer is a earthworm
The temperature surrounding the victims body that is colder than normal body temperature will speed up the rate of cooling.
The northern hemisphere is warmer in the summer than the winter because the northern hemisphere are pointing toward the sun. Because of this the rays hit us more directly making is hotter. So during the winter when the northern hemisphere is not pointing toward us, it makes is colder. It also depends on the tilt of the axis. When it is more direct it makes the temperature hotter.