Question

which is the only animal where the yawning is not contagious??? ​

Answer 1

Answer:

While spontaneous yawning is common across all vertebrate classes, contagious yawning is less common and has been observed only in a few species of social animals. Interspecific contagious yawning in response to yawning by humans has been observed only by chimpanzees and dogs

Explanation:

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Answer 2

Answer:

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