Flies may also spread disease among monkeys and apes

People the world over have a good sense that flies are filthy and that we do not want them landing on our food during our summer picnics. Research has justified that disgust, showing that flies associated with humans and ...

Social group

A group can be defined as two or more humans that interact with one another, accept expectations and obligations as members of the group, and share a common identity. By this definition, society can be viewed as a large group, though most social groups are considerably smaller.

A true group exhibits some degree of social cohesion and is more than a simple collection or aggregate of individuals, such as people waiting at a bus stop. Characteristics shared by members of a group may include interests, values, ethnic or social background, and kinship ties. According to Paul Hare, the defining characteristic of a group is social interaction.

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