DNA basically contains your genes. Basically, everything about you is from your DNA.
So that no one gets hurt, and the experiment isn't rendered void.
The correct answer is: it releases sweat to cool down.
During the exercise, body temperature increases and as a result respiration releases energy in the muscles, the skin produces sweat, which evaporates from the surface of the skin. Evaporation takes heat energy from the body.
Energy needed to perform exercise is derived from anaerobic metabolism within the cytosol of muscle cells (anaerobic respiration).
Biotic components would help the abiotic population because living animals depend on things like rain water for survival.if there a drought, than most of the population will most likely not make it