Covalent bond? Carbon is usually the structure for a polymer Bc it can make up so many things including covalent bonds used to make polymers
If it is a red blood cell than the cell will shrivel because the water will dissolve out of the cell ( because more water flows out of the cell than back into the cell the cell Shrinks )
Answer:
The periosteum is one source of precursor cells which develop into chondroblasts and osteoblasts that are essential to the healing of bone. Other sources of precursor cells are the bone marrow (when present), endosteum, small blood vessels, and fibroblasts.
Speciation is not a mechanism of microevolution.
