Scientists believe that mature salmon swimming back up their home river system detect odors to guide them on their journey. in fact, salmon with cotton stuffed in the nostrils on each side of their head cannot find their way back home. the sensory pathway to the brain begins with of the salmon. a) chemoreceptors in the nose b) photoreceptors in the eyes c) electromagnetic receptors in the ears d) sensory cells at the base of the brain
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Scientists believe that mature salmon swimming back up their home river system detect odors to guide...
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