Ecosystems <ul><li>Communities interact with their environment </li></ul>
Living things don’t just interact with each other in a community. cc licensed flickr photo by jfortugaleza: http://flickr....
Ecosystem - an area in which a community interacts with its non-living environment
Two components of an ecosystem: biotic - living (i.e. the community) abiotic - non-living
Matter within an ecosystem is recycled in biogeochemical cycles. cc licensed flickr photo by lanier67: http://flickr.com/p...
 
Evaporation - liquid water absorbs heat to become water vapour
Condensation - water vapour in air condenses into tiny liquid water droplets
Evapotranspiration - water evaporates from the leaves of plants
Sublimation - solid ice/snow turns directly into gaseous water vapour.
Precipitation - water droplets in air fall to surface of earth as liquid rain or solid snow/hail.
Infiltration - liquid water seeps into soil to become groundwater
Discharge - groundwater drains into rivers or lakes
Storage - water can remain for extended periods in underground reservoirs called aquifers.
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Ecosystems intro - December 2010

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Ecosystems intro - December 2010

  1. 1. Ecosystems <ul><li>Communities interact with their environment </li></ul>
  2. 2. Living things don’t just interact with each other in a community. cc licensed flickr photo by jfortugaleza: http://flickr.com/photos/30594175@N05/3230112383/ They also interact with the non-living components of their environment
  3. 3. Ecosystem - an area in which a community interacts with its non-living environment
  4. 4. Two components of an ecosystem: biotic - living (i.e. the community) abiotic - non-living
  5. 5. Matter within an ecosystem is recycled in biogeochemical cycles. cc licensed flickr photo by lanier67: http://flickr.com/photos/lanier67/184302007/ pathway through which a chemical element or substance moves through both biotic and abiotic components
  6. 7. Evaporation - liquid water absorbs heat to become water vapour
  7. 8. Condensation - water vapour in air condenses into tiny liquid water droplets
  8. 9. Evapotranspiration - water evaporates from the leaves of plants
  9. 10. Sublimation - solid ice/snow turns directly into gaseous water vapour.
  10. 11. Precipitation - water droplets in air fall to surface of earth as liquid rain or solid snow/hail.
  11. 12. Infiltration - liquid water seeps into soil to become groundwater
  12. 13. Discharge - groundwater drains into rivers or lakes
  13. 14. Storage - water can remain for extended periods in underground reservoirs called aquifers.
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