Genetic variety i believe.
Answer:
maybe if you payed attention in class, you would know the answer.
Explanation:
The category is just called plants
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<span>Thy hyaline cartilage covers and protects the ends of bones at freely movable joints. The hyaline cartilage contains elements that are found commonly in areas such as the ear. It is made this way because it is very elastic allowing the joints it is covering to have more flexibility.</span>
