Long and Short Term Enivornmental Changes

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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