terrestrial planet. the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth earth,in geology and astronomy, 3rd planet of the solar system and the 5th largest, the only planet definitely known to support life.Gravitational forces have molded the earth, like all celestial bodies, into a spherical shape......lso found in: Dictionary/thesaurus, Wikipedia. the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth earth,in geology and astronomy, 3rd planet of the solar system and the 5th largest, the only planet definitely known to support life.
Phosphorus is a mineral that combines with other substances to form organic and inorganic phosphate compounds. The terms phosphorus and phosphate are often used interchangeably when talking about testing, but it is the amount of inorganic phosphate in the blood that is measured with a serum phosphorus/phosphate test.
Review the properties of phosphorus. 1  Phosphorus is a chemical element with symbol P and atomic number 15. A multivalent nonmetal of the nitrogen group, phosphorus as a mineral is almost always present in its maximally oxidized state, as inorganic phosphate.  Phosphorus is essential for life.