Adjective modifier

• larval: Antagonism between two species of larval trematode in the same snail.

• other: Most other trematodes are hermaphroditic, and are found in the intestinal tract, or organs such as the liver.

Modifies a noun

• infection: There are a number of other digenean trematode infections.

Preposition: in

• snail: Antagonism between two species of larval trematode in the same snail.