Answer
D.Osteoblasts
Explanation:
Appositional growth is the increase in the diameter of bones by the addition of bony tissue at the surface of bones. Osteoblasts at the bone surface secrete bone matrix, and osteoclasts on the inner surface break down bone. The osteoblasts differentiate into osteocytes.
A native species is a species that is born in an environment. Introduced species are species that are brought into an environment from other ecosystems. For Example the Pythons in south Florida
