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Science Quiz
VOCABULARY SCIENCE QUIZ
Term | Definition |
---|---|
Renewable resources | Natural Resources replaced in a relatively short time. |
Nonrenewable resources | Natural Resources that are not replaced as they are used. OR un replaceable natural resources. |
Population Growth | The increased rate of the human race |
Pollution | A negative effect on living organisms. |
Environmental Science | The study of the natural processes that occur in the environment and how humans can affect them |
Development viewpoint | The belief that humans should be able to freely use and benefit from all of earths resources |
preservation viewpoint | The belief that all parts of the environment are equally important no matter how useful they are to humans |
Conservation viewpoint | The belief that people should use resources from the environment as long as they do not destroy those resources |
Environmental decisions are made to what? | To help balance these different opinions, decision makers weigh the costs and benefits of a proposal |
Clear cutting | the process of cutting down all the trees in an area at once |
Selective cutting | Cutting down only some trees in a forest and leaving a mix of tree sixes and species behind |
Sustainable Yield | A regular amount of a renewable resource such as trees that can be harvested without reducing the future supply. |
Factors of affecting biodiversity | area, climate, and diversity of niches |
keystone species | A species that influences the survival of many other species in an ecosystem |
Causes of extinction | habitat destruction, poaching, pollution, and introduction to exotic species |
Poaching | The illegal removal or killing of wildlife species |
Taxol | A chemical that protects the Pacific yew tree |