Use of water in humans and creatures, such as the use of eat, wash, used in the production process, product involving water, important to in the ecosystem. As the human water use in an activity. Many from the past to the present.Humans began to use the traditional water supplies. Because I think that water will never run out. A habit of person to the poor to the present. The water is not enough in the water shortage, such as the use of water acoustics, turn on the faucet left waste into the river.Operas, affect humans and animals in the ecosystem, such as the lack of water in the production process. In animal ecology will die. Which is a big problem particularly.