8,9 This parasite is kept in check by antibiotics produced by a bacterium that grows on the ants' bodies.
(8,9 This parasite; is kept; in check by antibiotics) (antibiotics; produced; by a bacterium) (a bacterium; grows; L:on the ants' bodies)
8,9 This parasite antibiotics a bacterium
is kept produced grows
in check by antibiotics
by a bacterium
L:on the ants' bodies