what are the two nutritional requirements every organism has?
['A SOURCE OF ENERGY. ... ', 'A SOURCE OF NITROGEN. ... ', 'A SOURCE OF CARBON. ... ', 'A SOURCE OF OXYGEN. ... ', 'A SOURCE OF PHOSPHOROUS, SULFUR, MAGNESIUM, POTASSIUM & SODIUM.', 'A SOURCE OF CALCIUM. ... ', 'A SOURCE OF WATER. ... ', 'A SOURCE OF MINERALS LIKE IRON, ZINC, COBALT ETC.']