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Chapter 3

natural resource anything in the environment that is used by people
renewable resource are either available or are naturally replaced in a relatively short time
nonrenewable resource natural resources that are not replaced in a useful time frame
pollution the contamination of earth's land or air
environmental science the natural process in the environment and how humans effect them
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 sizes and species
Sustainable Yield the amount of a renewable resource, such as trees that can be harvested regularly without reducing future supply
fishery an area with a large population of valuable ocean organisms
aquaculture the practice of raising fish and other water-dwelling organisms for food
Genes structures in organisms cells that carry its hereditary information
extinction the disappearance of all members in a species
endangered species species in danger of becoming extinct
threatened species species that could become endangered in the near future
habitat destruction the loss of a natural habitat
habitat fragmentation breaking larger habitats into smaller, isolated pieces
poaching the illegal killing or removal of wildlife from their habitats
captive breeding the mating of animals in zoos or wildlife preserves
keystone species a species that influences the survival of many other species
biodiversity the number of different species in an area
taxol the substance that protects the Pacific Yew Tree
Created by: bastet1245