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. Explanation: Let us consider the next level of classification which is Genus. Genus is a group of closely related species. So, there are more number of organisms h â¦ ere as there are more than one specie. The next level is Family which is a group of closely related genera (Plural of genus).Now, here, there many genera which in turn contains many species. The levels of classification are such that each level contains more number of organisms than the previous level.So, it is called a Hierarchy of classification.enus is a group of closely related species. So, there are more number of organisms h â¦ ere as there are more than one specie. The next level is Family which is a group of closely related genera (Plural of genus). Now, here, there many genera which in turn contains many species.