The decomposition of the organisms and the wastes in the soil serves the purpose of nutrient release and space recycling.
The nutrient consumed by an organism as eliminated from his body during his life, and decomposes after he dies. The decomposition releases the nutrients from the dead body, and free up the space that was prior consumed by this organism.
They can conserve energy and resources by regulating their activities, producing only those genes necessary for the cell to function.
D. POPS.
Your answer is D because pesticides have aldrin, chlordane, .... which are all POPS.
The part <span>of the autonomic nervous system that provides the body with energy</span> is:
The sympathetic nervous system