In bone formation, the cells that produce the organic matrix are the:

Osteoblasts 

Osteoblasts are cells are responsible for the synthesis of bone formation. They are cuboidal cells that are located along the bone surface that comprises 4-6% of the total resident bone cells. Also, Osteoblast arise from mesenchymal stem cells (MSC) and MSC give rise to adipocytes, myocytes,  Osteoblast and other cell types.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: