Answer:
They tend to be unorganized and shorter-lived than collective behavior.
Explanation:
Social movements are groups set up by a group of people in order to achieve a common goal which could be political or economic. These movement serve as a voice for the people to the government in making their displeasures known. Once their requests are granted the movements are usually disbanded which makes them short lived. They are also usually unorganized and have many members who most times take to the street to protest and may cause mayhem and accidents.