The answer should be the stomata
Characterized by hyaline cartilage connecting the bony portions cartilaginous joint- synchondrosis.
Cartilaginous joints are those joints that are connected completly by cartilage (fibrocartilage or hyaline). Where the connecting medium is hyaline it is called synchondrosis. An example of a synchondrosis joint is the first sternocostal joint (the first rib - the manubrium).
Genetic Diversity because someone can be the same species as you but they might look different because of their parents. The genes from the parents go to the kid.