Step 1: Understand that phosphorus is a nutrient that plants need to grow.
Step 2: Learn that phosphorus helps plants transfer energy, which is important for their growth and development.
Step 3: Recognize that phosphorus is a key component of ATP (adenosine triphosphate), which is the energy currency of cells.
Step 4: Know that phosphorus is also necessary for making nucleic acids, which are essential for DNA and RNA, the molecules that carry genetic information.