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.
The kingdom is the largest group and a species is the smallest. In the Animal Kingdom, the term phylum is used, and it is the second largest group. Classes have more characteristics in common than animals in a division or phylum. For example, amphibians, reptiles, and birds belong to the phylum Chordata.