A Negative Affect Humans Have on Ecosystems

Water is the most important substance on earth. It is the basis of all life on this planet. Human's behavior such as using pesticides and fertilizers pollutes our water tables. Pollution interferes with ecosystems by killing off animals that drank or animals that ate animals that drank highly polluted water.
Pollution is not a good thing to have large amounts of at all. It poisons animals that drank the polluted water, not only just animals that drank the polluted water, but also animals that eat animals that are contaminated from drinking the polluted water. …