According to a dynamic systems perspective, development occurs when a. children actively reorganize their behavior following a change in some part of the system. b. children model the behaviors of adult mentors. c. children engage in dialogues with other children and adults. d. children are in their sensitive periods of development.

Children engage in dialogues with other children and adults.

Explanation:

The social interaction is one of the reasons that children develop, according to dynamic system theory, because this allow them to develop and evolve new skills.

The opposite is a passive behaviour where children don't interact that much, don't have that social interaction.