When Jesse, a small child, sees a black and white spotted animal toy, he calls it a "cow" despite its floppy ears and upturned tail. His mother tells him it is a "dog." He now realizes that ears and tails are more important than color when distinguishing between animals. His new realization is an example of:.

Answer is "Accommodation"

Explanation:

Accommodation is a term used in psychology which refers to the phenomenon when we modify our existing cognitive concept / schema about any thing to add further information to it.

In the given example, Jesse modified his concept that color is not the only criteria to distinguish between animals, rather ears and tails are important too. This modification in his concept is termed as Accommodation.