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8.11C
                       Environmental Changes!

                                             !"#$%&'(!)*$+,&-+'.!



© 2011   Rice University – All Rights Reserved
Long-Term
                           Environmental Change !




         Environmental change that occurs slowly over
          time and affects organisms over generations!
© 2011     Rice University – All Rights Reserved
Short-Term
                           Environmental Change !




         Environmental change that occurs quickly and
                affects organism immediately!
© 2011     Rice University – All Rights Reserved
Extinct




            Occurs when a species no longer exists
© 2011   Rice University – All Rights Reserved
Endangered




               Occurs when a species becomes low in
                  numbers in their natural habitat
© 2011   Rice University – All Rights Reserved
Pollution




                 When a natural environment is
             contaminated with harmful substances
© 2011   Rice University – All Rights Reserved
Biodiversity!




                     The number of different species of
                       plants and animals in an area
© 2011   Rice University – All Rights Reserved
Abundance




         The number of one type of species in an area

© 2011    Rice University – All Rights Reserved

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Long and Short Term Enivornmental Changes

  • 1. 8.11C Environmental Changes! !"#$%&'(!)*$+,&-+'.! © 2011 Rice University – All Rights Reserved
  • 2. Long-Term Environmental Change ! Environmental change that occurs slowly over time and affects organisms over generations! © 2011 Rice University – All Rights Reserved
  • 3. Short-Term Environmental Change ! Environmental change that occurs quickly and affects organism immediately! © 2011 Rice University – All Rights Reserved
  • 4. Extinct Occurs when a species no longer exists © 2011 Rice University – All Rights Reserved
  • 5. Endangered Occurs when a species becomes low in numbers in their natural habitat © 2011 Rice University – All Rights Reserved
  • 6. Pollution When a natural environment is contaminated with harmful substances © 2011 Rice University – All Rights Reserved
  • 7. Biodiversity! The number of different species of plants and animals in an area © 2011 Rice University – All Rights Reserved
  • 8. Abundance The number of one type of species in an area © 2011 Rice University – All Rights Reserved