A bone cell, formed when an osteoblast becomes embedded in the matrix it has secreted.
        
             
        
        
        
The main food sources of the birds( the plentiful recourses within the environment occupied by the species)
        
             
        
        
        
The growth of plants and formation of land mammals characterized the paleozoic era.
        
                    
             
        
        
        
Answer:
False
Explanation:
Thats a fact you can thank me later