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.
Taxonomy is based on a hierarchy of classification; the lower you go in the hierarchy, the more closely related the living things are. These groups, from largest to smallest are Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.