Silver Salmon Migration - Josh Eusebio Silver Salmon...

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Josh Eusebio Silver Salmon Migration 1. Observations Found in cool quiet headwaters of freshwater streams in the Pacific Northwest. Young salmon swim downstream to the Pacific Ocean, grow to full size and become sexually mature They return to freshwater streams, swim upstream jumping incredible heights up waterfalls to ultimately lay their eggs in the headwaters Salmon actually return precisely to where they were hatched Questions - How do they navigate their way to the streams of their birth - How do they propel their selves out of the water when they jump 2. The salmon, like the eel must have a keen sense of smell that directs them to their original place of birth. 3. The salmon must have some sort of mental compass that leads them back home, and it must be formed when they are younglings.
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Unformatted text preview: 4. If I were to peruse my hypothesis relating smell to the ability of the salmon to find home I would do an experiment. In my experiment I would tag salmon in a controlled area. Since my experiment is based on the idea that salmon find home by the familiar smell I would create an identical environment in a separate area and completely destroy their original home. Since the environment I created is identical they should swim upstream to my environment and find it with ease since the smells would be the same. I am predicting that my hypothesis will be wrong. I say that because as I typed up this experiment I thought it would be more logical if the salmon found home by the means of some sort magnetic compass....
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  • Summer '14
  • KenMartin
  • Chemistry, Pacific Ocean, Josh Eusebio

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