the main criteria for classifying organism into five kingdoms are the complexity of cells structure, body organization, the mode of nutrition, life style, and phylogenetic relationship. This system consists Monera, Protista, Fungi, Plantae, and Animalia.
The most direct way for the water to get from the soil to the ocean is by way of a recharge zone with a low percolation rate. Human activity in the recharge zone can limit the amount water that reaches the aquifer.