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.
subfamily - (biology) a taxonomic category below a family. tribe - (biology) a taxonomic category between a genus and a subfamily. genus - (biology) taxonomic group containing one or more species. subgenus - (biology) taxonomic group between a genus and a species.ariety - (biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics; varieties are frequently recognized in botany. phylum - (biology) the major taxonomic group of animals and plants; contains classes.