Complex sentence: Male bonding is a term that is used in ethology, social science, and in general usage to describe patterns of friendship and/or cooperation in men (or, in the case of ethology, males of various species).
Split into simpler sentences: Male bonding is the formation of a close personal relationship between men and is a term that is used in ethology and social science. In general usage it describes patterns of friendship and/or cooperation in men (or, in the case of ethology, males of various species).