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.
'Species' is an example of a taxonomic rank while Pannaria sphinctrina, a particular species, is an example of a taxon. Moreover, it is a taxon at species rank. Genus, family, order, class, phylum and kingdom are also examples of taxonomic ranks.