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.
Q: What is the smallest taxonomic group that contains organisms of different species? genus order family domain. A: GENUS is the smallest taxonomic group that contains organisms of different species. Log in to see link for more information. GENUS is the smallest taxonomic group that contains organisms of different species. Log in to see link for more information.