How does phosphorus enter the phosphorus cycle?

Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms. Over time, rain and weathering cause rocks to release phosphate ions and other minerals. This inorganic phosphate is then distributed in soils and water. Plants take up inorganic phosphate from the soil.

Explanation:

i think the answer is

mass

answer; a male inherits only one allele of the x-linked gene controlling hair color;