Biological Magnification

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Biological Magnification
http//waynesword.palomar.edu/images/ecology1.jpg
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Biological Magnification

• Increasing concentration of a substance (toxin)
  in organisms in higher levels of the food chain.

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AAAAAAAAAHQ/j3zUDvmo44Y/s1600/biomagnification3.j
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What conditions are necessary for biological
magnification to occur?

• Substance must be
• Able to be absorbed into food chain
• Not easily broken down by environment
• Difficult for organisms to break down or digest

http//www.potosisd.k12.wi.us/staff/hutchcroft/Bio
logy20Notes/Power20Presentations-Biology/assets/
Transparencies/Biomagnification.gif
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http//users.rcn.com/jkimball.ma.ultranet/BiologyP
ages/D/DDT_chain.gif
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Overview Video
http//upload.wikimedia.org/wikipedia/commons/2/2f
/Captive_Red-tailed_Hawk_at_Bacara.jpg

• http//www.youtube.com/watch?vE5P-UoKLxlA

Activity now
http//photoshd.files.wordpress.com/2008/06/grassh
opper2.jpg
http//31.media.tumblr.com/tumblr_lkyb8xxyL61qdb5l
vo1_400.jpg
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Sydney Harbor

• http//abceducation.net.au/videolibrary/view/toxic
  -sediments-102