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