A female bird will continue to feed a parasitic cuckoo chick in its nest even after the chick has killed the birds own offspring and grown larger than its foster parent. All the cuckoo needs to do is open its mouth and food is inserted. This indicates that feeding of a gaping mouth by an adult bird is __________.

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    a behavior easily modified by experience
    a purely learned behavior
    an innate behavior not easily modified by experience
    a behavior that has equally large innate and learned components
    No conclusion can be reached based on the information provided.

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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an innate behavior not easily modified by experience
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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