Lily has never seen a cow before. At first she thinks it is a doggie, but after her mom explains that cows give us milk and are bigger than dogs, Lily adjusts her understanding of animals. This demonstrates the principle of

A) adaptation.
B) assimilation.
C) accommodation.
D) perception.

C) accommodation. Accommodation is the process of modifying old schemes or creating new ones to fit better with assimilated information.