| http://www.w3.org/ns/prov#value | - s ??? ??? ??? taxis an oriented movement toward (positive taxis) or away from (negative taxis) some stimulus ??? ??? ??? migration a regular, long-distance change in location - it is observed in a wide variety of birds, fishes, and other animals ??? ??? ??? signal a stimulus transmitted from one animal to another ??? ??? ??? communication the transmission and reception of signals constitues this a
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