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