What term is used to describe a bacteria that is round and forms clusters?

The term used to describe a bacteria that is round and forms clusters is "Staphylococcus." This classification comes from the Greek words "staphyle," which means a bunch of grapes, and "kokkos," which refers to a berry or round shape. Staphylococci are spherical bacteria that can exist as single units or in grape-like clusters due to their division patterns.

The other terms relate to different bacterial shapes and arrangements. Bacillus refers to rod-shaped bacteria. Diplococcus describes bacteria that are round and typically occur in pairs. Streptococcus, on the other hand, refers to round bacteria that form chains. Understanding these classifications helps in identifying and comprehending the morphology and arrangement of different bacterial species.