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Living Resources

Life Science Chapter 23

renewable resource Always available or able to make more in reasonable time. -Sun,Wind,H2O,Trees
non renewable resource Resource that cannot be renewed in reasonable time. EX-Fossil fuel-Oil,Gas,Coal
pollution Contamination of Land,Air,H2O. -Chemicals,Non biodegradable Trash,Light,Sound
environmental science The study of the natural processes in the environment and how humans impact it.
clear cutting Cut down all trees in one area all at the same time. -Quick -Safer -Cheap
selective cutting Pick trees to be removed and leave behind a variety of species of different sizes. -Less damaging
sustainable yield The amount of the resources you can remove W/O damaging future generations.
fisheries An area which contains a variety of valuable ocean resources NOT UNLIMITED supply. - 70% of worlds fisheries are over fished.
overfishing Removing fish from ocean faster than they can reproduce.
aquaculture Sea Farming - Raising fish in artificial pound or bay for food sources. - Can disease wild population
biodiversity A variety of different species in a given area.
keystone species A species that provides a food source for many other species.
most diverse ecosystem in the world tropical rain forests
second most diverse ecosystem in the world coral reefs
endangered species species in danger of becoming extinct in the near future
threatened species species that could become endangered in the near future
poaching the illegal killing or removing of wildlife from their habitats
extinct the disappearance of all members of a species from Earth
habitat fragmentation breaking larger habitats into smaller isolated pieces or fragments
niche diversity The diversity of functions an organism can hold in its environment, and the diversity of habitats in which it can live.
Created by: henrichfamily