Which of the following would not be classified as innate behavior? a. a baby smiling as she sees her brother walking in the door b. humans crawling once their bones and ligaments are strong enough c. sneezing as a result of a dog allergy d. learning to ride a bike at the age of 5

The correct answer is D) Learning to ride a bike at the age of 5.

Any behavior that is present from birth in an individual is called innate behavior. The information of the behavior is already programmed in the genes of the individual. This individual triggers the behavior without any previous experience or training.

In this question, baby smiling, crawling and sneezing are all innate behaviors.

On the contrary, learning to ride a bike is a learned behavior that an individual acquires through an appropriate training. Therefore, it is not an innate behavior.

Thus, option D) is the right answer.

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