Bioaccumulation Susan Shaw: The oil spill's toxic trade-off
Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea. http://blog.ted.com/2010/07/27/the_oil_spills_1/
Trophic Levels
Food Chains and Food WebsCreate Food Chains and Webs
http://www.gould.edu.au/foodwebs/kids_web.htm
http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/play_chainreaction.cfm
http://www.bbc.co.uk/schools/ks2bitesize/science/living_things/food_chains/play.shtml
http://www.vtaide.com/png/foodchains.htm#create
Biozone
Food chains Page 292
Constructing a Food Web Page 293-294
Dingo Food Webs page 295-296
Cave Food Webs Page 297
Energy (Trophic) Levels, Ecological Pyramids and Biomagnification/Bioaccumulation
PowerPoint on
Bioaccumulation
Susan Shaw: The oil spill's toxic trade-off
Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.
http://blog.ted.com/2010/07/27/the_oil_spills_1/
Found link at
http://scienceblogs.com/gregladen/2010/07/27/susan-shaw-the-oil-spills-toxi/
or
http://www.podcast.tv/video-episodes/tedtalks-susan-shaw-the-oil-spill-s-toxic-trade-off-susan-shaw-2010-11391300.html
Bioaccumulation in the sea
Killer Whale example
Dumping wastes
Resources
http://www.oceanoasis.org/teachersguide/activity10.html
http://www.sciencelearn.org.nz/Science-Stories/Research-Voyage-to-Antarctica/Making-a-food-web