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living resources

natural resources anything in the environment used by people
renewable resources resources naturally replaced in a short period of time
nonrenewable resources can't be replaced
pollution contamination of the earths land, water, and air
environmental science the study of natural process in the environment and how humans affect them
clear-cutting process of cutting down all trees in an area at once
selective cutting cutting down only some trees in an area and leaving a mix of trees
sustainable yield is an amount of renewable resources such as trees that can be harvested regularly without reducing the 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
biodiversity the number of different species in an area
keystone species a species that influences the survival of many other species in a ecosystem
genes the structures in an organism's cells that carry its hereditary information
extinction the disappearance of all members of a species from earth
endangered species species in danger of becoming extinct in the near future
threatened species species that could be endangered in the near future
habitat destruction the loss of natural habitat
habitat fragmentation breaking larger habitats into smaller isolated pieces, or fragments
poaching the illegal killing or removal of wildlife from their habitat
captive breeding the mating of animals in zoos or wildlife preserves
Created by: thanna