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Bioluminescence Life-light

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Presentation on theme: "Bioluminescence Life-light"— Presentation transcript:

1 Bioluminescence Life-light http://unusualseacreatures.blogspot.com/2010/07/anglerfish-anglerfish-is-deep-sea-fish.html

2 What is Bioluminescence When an organism emits light from its body –It can be voluntary (on purpose) –Or involuntary (not on purpurose)

3 Some organisms that produce bioluminescence…..

4 Fireflies http://beneficialbugs.org/bugs/Firefly/boreal_firefly.htm

5 Squid!!! http://seavenger.info/firefly-squid/

6 Jellyfish http://www.flickr.com/photos/niallkennedy/4024671197/

7 Mushrooms! http://www.flickr.com/photos/gusveitch/4407003347/

8 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

9 Bacteria and Phytoplankton http://www.flickr.com/photos/msauder/206368807/

10 Why use bioluminescence? Warning to predators Camouflage Navigation Communication –Finding mates Attract prey –Angler fish

11 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

12 Attracting Mates Atlantic midshipman http://public.gettysburg.edu Communication

13 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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