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.
Pygmy Marmoset - The Smallest Monkey. The pygmy marmoset is a tiny primate that is native to rainforests of the western Amazon Basin in South America. At just 100 grams, the pygmy marmoset is known to be the smallest known species of monkey in the world. It averages at about 15cm in height with a 20cm long tail behind it.