Across
- 3. An organism that synthesizes its biochemical constituents using simple inorganic compounds and an external source of energy to drive the process. See also primary producer, photoautotroph, and chemoautotroph
- 5. The abundance of a species that can be sustained without the habitat becoming degraded
- 6. The prevailing, long-term, meteorological conditions of a place or region, including temperature, precipitation, wind speed, and other factors. Compare with weather
- 8. a fluorocarbon with chlorine
- 11. major ecological community with distinct climate and flora
- 12. A geographically extensive ecosystem, occurring throughout the world wherever environmental conditions are suitable
Down
- 1. regions adjacent to the tropics
- 2. An increasing concentration of hydrogen ions (H+) in soil or water.
- 3. Groundwater resources in some defined area
- 4. An event of high phytoplankton biomass.
- 7. The breakdown of organic molecules into simpler compounds through the metabolic actions of microorganisms
- 9. An animal that hunts and eats other animals
- 10. of or relating to or characteristic of conditions in the subtropics