Regular feelings of hunger are an example of a(n) rhythm.

The answer is Biological

Explanation:

The word rhythm refers to movement, sounds or similar that mark or regulate a certain element, which is commonly used in arts such as music and literature in the case poetic rhythm. However, this term has been also applied to other fields including biology, in which the rhythm called biological rhythm refers to a natural cycle or rhythm that occur in organism and that is linked to other function in the body, this includes function such as sleeping during the night, eating or feeling hunger every certain time, changes in blood pressure and hormone levels, among others. Therefore regular feelings of hunger are an example of a "biological rhythm" as this function occurs every certain time, which means it is part of a constant cycle and also regulates other functions in the body such as getting energy.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.