Ecology deals with the relations of ORGANISMS to ONE ANOTHER and to their PHYSICAL SURROUNDINGS
Ground water can only be found within a few miles of the Earth’s surface because water can permeate through the soil, but at one point, the ground becomes too dense for water to seep through.
The answer is A. Class, because the divisions get smaller and smaller as they go down. Class is before Order so the division would be bigger.
Most foods are mixtures of nutrients.
