What hypothesis did Megan Gibbons, Arianne Ferguson and Danielle Lee examine in their study of learning in salamanders?

A) As individuals age, they learn to avoid predators.
B) As individuals age, they learn to consume different food items.
C) As individuals age, they learn from experience and become more efficient at capturing prey.
D) Individuals do not learn from experience as they age.
E) Young individuals learn faster than old individuals.