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Synechococcus sp.
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http://www.cnn.com /2015/08/13/weathe r/el-nino-2015/
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National Geographic Magazine, August 2011
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"Cypron-Range Rhincodon typus" by File:Rhincodon typus distmap.png. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Cypron-Range_Rhincodon_typus.svg#mediaviewer/File:Cypron- Range_Rhincodon_typus.svg
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"Moon phases en" by Orion 8 - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Moon_phases_en.jpg#mediaviewer/File:Moon_phases_en.jpg
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Why do whale sharks congregate at Gladden Spit during full and last quarter moons in April and May?
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Hypotheses Explanation that can be tested by experiments Stated as a declarative sentence Whale sharks congregate at Gladden Spit off the coast of Belize during the full and last quarter moons of April and May to Mate – Hypothesis 1 Feed – Hypothesis 2
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Predictions – If/Then If whale sharks are congregating at Gladden Spit to feed, then what? If whale sharks are congregating at Gladden Spit to mate, then what? Lead to experiments
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Observational Experiment Underwater Ram Filter Feeding Surface Ram Filter Feeding https://www.youtube.com/watch?v=SBxNwgjyPGM Heyman et al. (2001)
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Stationary Suction Feeding
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Cubrera and Dog Snappers – Lutjanus spp. Heyman et al. (2001)
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http://video.nationalgeographic.com/video/shark_whale
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How can we experimentally test the feeding hypothesis? Ideas? Experimental Experiment
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Scientific Method Make Observations Form a hypothesis – Inductive reasoning Design experiments – Deductive reasoning Gather Results Draw Conclusions
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