tailieunhanh - Ebook English for environmental studies

The environmental science of ecology is the study of the relationship of plants andanimals to their physical and biological environment. The physical environment includeslight and heat or solar radiation, moisture, wind, oxygen, carbon dioxide, nutrients in soil,water, and atmosphere. The biological environment includes organisms of the same kindas well as other plants and animals. | FOR INTERNAL USE ONLY UNIT 1 ENVIRONMENT AND ECOLOGY 1 UNIT 1 ENVIRONMENT AND ECOLOGY WARM-UP 1 What do you think the term environment refers to 2 What environmental issues are you concerned about 3 Have you ever heard of the word ecology READING The term environment broadly indicates the surroundings of an individual organism or a community of organisms ranging on up to the entire biosphere the zone of Earth that is able to sustain life. By surroundings is meant all the nonliving and living materials that play any role in an organism s existence from soil and air to what the organism feeds on and the organisms that may feed on it. Any other factors acting on the organism such as heat and light and gravitation make up its environment as well. In the case of human beings cultural factors may also be included in the term. Figure