biodiversity and extinction tyler szwarc and theresa zajac
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Biodiversity and ExtinctionTyler Szwarc and Theresa Zajac
http://www.biology.iupui.edu/biocourses/N100/images/17massextinct.gif
http://guymcpherson.com/wp-content/uploads/2011/03/ExtinctionAndPopulation_102609.jpg
20,000
30,000
40,000
50,000
60,000
10,0001,000
2,000
3,000
4,000
5,000
6,000
7,000
8,0001
80
0
18
30
18
60
18
90
19
20
19
50
19
80
20
10
0 0
Ext
inct
ion
Nu
mb
ers
Po
pu
lati
on
(M
illi
on
s)
Time
Human Population
(Millions)
Extinctions
Species Extinction and Human Population
http://peakwatch.typepad.com/.a/6a00d83452403c69e201157240b07c970b-pi
http://www.truthmove.org/workspace/photos-news/rate_of_extinction.jpg
The 6th Extinction
-Human destruction of natural habitats- Overexploitation of species and natural
resources- Human overpopulation- Widespread agriculture- Pollution - Invasive specieshttp://rosamundwo.com/2009/the-sixth-extinction/