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Chapter 1 vocab
| Term | Definition |
|---|---|
| Environment | All the living things and nonliving things with which organisms interact. |
| Environmental science | The study of how the natural world works, how our environment affects us, and how we affect our environment. |
| Environmentalism | A social movement dedicated to protecting the natural world and by extension, people from undesirable changes brought about by human actions. |
| Natural resources | Materials, and energy sources found in nature, that humans need to survive. |
| Renewable natural resources | Some natural resources, such as fruits and grains, are naturally replenished, or renewed, over short periods. |
| Nonrenewable natural resources | In contrast, resources such as coal and oil. |
| Sustainable | If it can continue at the same rate into the foreseeable future. |
| Fossil fuels | Nonrenewable energy resources, such as oil, coal, and natural gas. |
| Ecological footprint | Expresses the environmental effect of an individual or population in terms of the total amount of land and water required: (1) to provide the raw materials the individual or population consumes and (2) to dispose of or recycle the waste the individual or |
| Hypothesis | A testable idea that attempts to explain a phenomenon or answer a scientific question. |
| Predictions | Specific statements about what we would expect to observe if the hypotheses are true. |
| Independent variable | A scientist could test this prediction by selecting two similar ponds and adding fertilizer to one while leaving the other in its natural state. |
| Dependent variable | A variable the scientist manipulates, whereas the quantity of algae. |
| Controlled studies | Which all variables are controlled except one, allow scientists to be more confident that any different observed were cause by the factor they are investigating. |
| Data | information from their studies. |
| Peer review | A more formal way for the researcher to get comments and criticism from the scientific community. |
| Theories | Broader explanations the apply to wider range of situations and observations. |
| Ethics | A branch of philosophy that involves the study of behavior: good and bad, right and wrong. |
| Environmental ethics | The application of ethical standers to relationships between humans and their environment. |