A popliteal cyst, also known as a Baker's cyst, is a fluid-filled swelling that causes a lump at the back of the knee.
the smallest category is species but from largest to smallest it will be: kingdom Phylum class order family genus and species and you can come up with another word for it to hâ¦elp you with it. so yeh there you go.
Best Answer: Organisms are classified into: Domain Kingdom Phylum Class Order Family Genus Species. So species is the smaller group of organisms. Several Species may belong to the same genus. The genus Panthera includes Panthera leo (lion) and Panthera tigris (tiger).