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Biology 23 Online
OpenStudy (anonymous):

Yawning is observed in all types of animals, including humans. It cannot be stopped midway but has to be continued to completion. What kind of an innate behavior is yawning? Habituation Fixed action pattern Imprinting

OpenStudy (anonymous):

B ?

OpenStudy (anonymous):

I agree. Though I've never seen a crustacean or worm yawn. A yawning sea star must look terrifying.

OpenStudy (anonymous):

@shrutipande9 ?

OpenStudy (shrutipande9):

probably b but i am not sure.:/

OpenStudy (chaosguardian14):

lolz @Ihm

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