Use evidence from the fact that if an animal is trained to do something then that something is a learned behavior to answer the following question. Choose from options. "A learned behavior"

Options:
1). newborn turtles crawling towards the sea;
2). seals clapping to the delight of an audience;
3). ducks sitting on their eggs (D) baby birds chewing worms;
4). mother dogs nursing their pups;
2).