A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change. About twice a year, one or two more birds from the neighboring island arrive. These new arrivals .

Drags back the adaptation process

Explanation: These new arrivals delays or holds back the adaptation process of the population. The newly arrived birds are still fresh in terms of traits and behaviors from their home island, they will take a long time to adapt to new behaviors as well as develop the predominant traits, there by taking the whole process of adaptation of the general population backward.

manifest functions are the recognized and intended consequences of any social pattern, while latent functions are those unrecognized and unintended consequences. to analyze the manifest functions of any social institution, we have to study its contribution to the continuation of a group, community, or society.

chavez's example shows that nonviolent protest can work well. it shows that one nonviolent man can stop a mob, which proves chavez's point and persuades people to protest nonviolently.