Fish hatchery workers know that if they want artificially spawned salmon to return to a specific stream to spawn when they reach adulthood, the workers have to raise the fry (baby salmon) in water from that stream during a certain critical time in their early development. This is a clear demonstration of __________.

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    operant conditioning
    trial-and-error learning
    none of the above

asked May 30, 2013 in Biology by anonymous

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answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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