<span>The phosphorus cycle is a biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movement of phosphorus. Phosphorus mainly comes from soil and rock on the Earth and is recycled by living organisms</span>
Answer:
Cellular Differentiation
Explanation:
During the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, some become part of the stomach, and so on. The term for this process is Cellular Differentiation
Red blood cells carry oxygen from our lungs to the rest of our bodies. It carries a special protein called haemoglobin, which helps carry oxygen from the lungs to the rest of the body, it has no nucleus and can easily change shape
I hope that helped :(
Because it serves as protection for a vital organ in the body. Also if the skull could move it would make the brain very vulnerable.
I'm pretty sure it's the cell since it's the basic unit of life and can change to carry out any function