Download - Bioluminescence Life-light
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BioluminescenceLife-light
http://unusualseacreatures.blogspot.com/2010/07/anglerfish-anglerfish-is-deep-sea-fish.html
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What is Bioluminescence
• When an organism emits light from its body– It can be voluntary (on purpose)– Or involuntary (not on purpose)
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Some organisms that produce bioluminescence…..
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Fireflies
http://beneficialbugs.org/bugs/Firefly/boreal_firefly.htm
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Squid!!!
http://seavenger.info/firefly-squid/
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Jellyfish
http://www.flickr.com/photos/niallkennedy/4024671197/
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Mushrooms!
http://www.flickr.com/photos/gusveitch/4407003347/
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Many Deep-sea Critters
http://unusualseacreatures.blogspot.com/2010/07/anglerfish-anglerfish-is-deep-sea-fish.html
http://deerdonna.blogspot.com/2011/07/bioluminescent-deep-ocean-creatures.html
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Bacteria and Phytoplankton
http://www.flickr.com/photos/msauder/206368807/
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Dinoflagellates (Plankton)
http://www.lifesci.ucsb.edu/~biolum/organism/photo.html
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Why use bioluminescence?
• Warning to predators• Camouflage• Navigation• Communication
– Finding mates• Attract prey
– Angler fish
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Camouflage• Cookiecutter shark - Counterillumination. As this shark
rises closer to the surface, it lights its underside so a predator looking up from beneath does not see its full silhouette. The shark “disappears”.
http://www.sciencenews.org/sn_arc98/8_1_98/fob5.htm
Widder
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Attracting Mates
• Atlantic midshipman
http://public.gettysburg.edu
Communication
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Attract Prey
http://unusualseacreatures.blogspot.com/2010/07/anglerfish-anglerfish-is-deep-sea-fish.html ; http://www.sciencenews.org/sn_arc98/8_1_98/fob5.htm
• Angler fish---the lighted lure attracts prey.
• Cookiecutter shark-Since only a small part of its body is easily visible, it looks like a smaller animal—attracting something that thinks it is going to get a meal, but instead becomes a meal for the much larger shark.
Widder
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Bioluminescence and Pollution?
http://www.nytimes.com/2011/12/20/science/a-pollution-fight-powered-by-bioluminescent-sea-creatures.html?_r=0
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Why did the plankton glow?
Open your CWW Journals to pages 26 – 30 so we can talk about it!
http://www.lifesci.ucsb.edu/~biolum/chem/