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.
In the scientific classification established by Carl von Linne, linnÃ© each species has to be assigned to a (genus binary), nomenclature which in turn is a lower level of a hierarchy of (ranks, family, suborder, order, subclass, class/division, phyla kingdom and). domainrokaryotes share many common features, such as lack of nuclear membrane, unicellularity, division by binary-fission and generally small size. The various species differ amongst each other based on several characteristics, allowing their identification and classification. Examples include: