By inventing customs and passing them on to their peers and offspring,chimpanzees exhibit the rudiments of

A) temperament.
B) culture.
C) personal space.
D) individualism.

Inventing customs and passing them on to peers and offspring is an indication of the development of culture. Chimpanzees displaying such behavior signifies the existence of basic cultural practices. Therefore, option B is the correct answer. The other options, temperament, personal space, and individualism are not relevant in this context.