You searched for: “ectozoa”
ectozoon (s) (noun), ectozoa; ectozoons (pl)
An organism living externally on another animal: An ectozoon can be an animal, as a flea, or a plant thriving and obtaining nourishment on the outside surface of another creature without having to kill it.
This entry is located in the following units: ecto-, ect- (page 3) zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan (page 4)