Vocabulary: Environmental Science

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Across
  1. 7. Maximum population a species can support.
  2. 8. Percentage of population living in areas with greater than 2,500 (10,000).
  3. 9. Process in which heavy atomic nuclei split into smaller, lighter nuclei.
  4. 12. A measure of human demand on the Earth's ecosystem.
  5. 14. Involves global management of Earth's natural resources to ensure that current future energy needs will be met without harming the environment.
  6. 15. Resource that exists in Earth's crust in a fixed amount and can be replaced only by geological, physical, or chemical processes that take hundreds of millions of years.
  7. 18. Natural heating of Earth's surface by atmospheric gases (CO2, O3, CFC's, NO2).
  8. 19. Biological material derived from living or recently living organisms.
Down
  1. 1. an organic compound containing only carbon and hydrogen and often occuring in petroleum, natural gas, and coal.
  2. 2. Diversity of an ecosystem which is determined by the variety of species of plants and animals.
  3. 3. Factor that limits the growth, abundance, or distribution of the population of an ecosystem.
  4. 4. Nonrenewable energy resource formed over geologic time from the compression and partial decomposition of organisms that lived millions of years ago.
  5. 5. Energy produced from Earth's own internal steam and hot water.
  6. 6. Rise in global temperature which is due to increases in CO2 from deforestation and burning of fossil fuels.
  7. 7. Compound used in refrigerants and making plastics which can deplete the ozone.
  8. 10. Any living component that affects another organism.
  9. 11. Natural resource such as fresh air and most groundwater that can be used indefinitely without causing a reduction in the available supply.
  10. 13. A nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it.
  11. 16. The complex of a community or organisms and its environment functioning as an ecological unit.
  12. 17. Removal of trees from an area without adequate replanting, often using clear cutting which results in loss of topsoil and water pollution.