Coal is made from the remains of plants and animals originally found in ancient swamps. Natural gas is found on the top of the pools of oil. The process of making any fossil fuel took millions of years to complete. However, the use of fossil fuels can occur during a two hundred year period. Plants and animals are considered renewable resources because they can be replaced in a relatively short time.
Animals are an important source of food and fiber for clothing.
This standard exposes students to the varied impacts that people have made on the natural environment and the resources contained within this environment. Students will consider the roles humans have taken in natural communities in both the past and present. The history of human impact on the Utah environment began with the early Native Americans. Many behaviors of the Anasazi, Fremont, and other tribes-people of Utah emulated their understanding of the need to complement the balance and order of nature and maintain the natural harmony. These peoples utilized the material resources that occurred in their specific location.