Vocabulary

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Across
  1. 3. diversity of an ecosystem which is determined by the variety of species of plants and animals.
  2. 5. natural heating of Earth’s surface by atmospheric gases. CO2, O3, CFC’S, NO2
  3. 6. any living component that affects another organism
  4. 7. involves global management of Earth’s natural resource to ensure that current and future energy needs will be met without harming the environment.
  5. 8. an organic compound containing only carbon and hydrogen and often occurring in petroleum, natural gas, and coal.
  6. 10. Resource that exists in Earth’s crust in a fixed amount and can be replaced only by geological, physical, or chemical process that take hundreds of millions of years.
  7. 12. a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organism in it.
  8. 13. biological material derived from living or recently living organisms.
  9. 14. compound used in refrigerants and making plastics which can deplete the ozone.
  10. 16. a measure of human demand on the Earth’s ecosystems.
  11. 18. energy produced from Earth’s own internal steam and hot water.
Down
  1. 1. nonrenewable energy resource formed over geological time from the compression and partial decomposition of organisms that lived millions of years.
  2. 2. removal of trees from an area without adequate replanting, often using clear cutting, which results in loss of topsoil and water pollution.
  3. 4. natural resource such as fresh air and most groundwater that can be used indefinitely without causing a reduction in the available supply.
  4. 9. rise in global temperature which is due to increase in C02 from deforestation and burning of fossil fuels.
  5. 10. process in which heavy atomic nuclei split and smaller, lighter nuclei.
  6. 11. percentage of population living in areas with greater than 2500 (10000)
  7. 14. maximum population a species can support.
  8. 15. factor that limits the growth, abundance, or distribution of the population of an ecosystem.
  9. 17. the complex of a community of organisms and its environment functioning as an ecological unit.