Question

Define association and discuss its characteristics.

Answer 1

As for the ecology it is a stable plant community including a characteritristic group of dominant plant species... a connection or cooperative link between people or organizations.....

common aims and objective;it is the most important characteritis of association . because association does not refers to main collection of human beings rather it refers to those group of individuals who have some common aims and objectives.....
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Answer 2

Association is a group of people who have connected together with common interests and objectives.

Explanation:

• An association is a formal organization wherein people can register themselves to be a member in order to accomplish their interest and they can withdraw if they are unwilling to stay connected with it but they are deemed to follow the rules and regulation until they are the member of it.  
• Sometimes, an association is run by the voluntary group of members or any trust which finances the association.
• It may acquire legal status if it is serving the larger number of people in the society.
• All members of the association possess a co-operative spirit which makes them unique and ensures a sense of belonging.