Weathering of uplifted rocks contributes phosphates to the land. carlsong. Created by. Once in the plant or animal, the phosphate is incorporated into organic molecules such as DNA. Weathering: Phosphorus in nature is mostly found in the form of phosphate ions. The phosphorus cycle is the 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, because phosphorus and phosphorus-based compounds are usually solids at the typical ranges of temperature and pressure found on Earth. Terms in this set (6) Weathering. Write. ... One interesting aspect of the phosphorus cycle is that, unlike the other major nutrient elements in the ocean, the phosphorus cycle contains sinks that are not mediated by biological activities. Match. These are Weathering. # Plants take up inorganic phosphate from the soil. Flashcards. Learn. A biogeochemical cycle is a pathway by which a chemical substance moves through biotic and abiotic compartments of Earth. Gravity. Chemical cycling includes reservoirs, exchange pools, and the biotic communityReservoir is a source normally unavailable toproducers, such as the carbon present incalcium carbonate shells on ocean bottomsExchange pool is a source from which organismsdo generally take chemicals, such as theatmosphere or soil Chemicals moving along … This inorganic phosphate is then distributed in soils and water. Along with the water cycle, the carbon cycle, and the nitrogen cycle, the phosphorus is another biogeochemical cycle that is essential for life on earth. Ruttenberg's (1993) maximum estimate assumes all phosphorus measured in step III of the SEDEX method is truly authigenic. Return of phosphorous to the ecosystem. The phosphorus cycle involves four main steps, as follows: 1. STUDY. PLAY. Phosphorus Cycle . Phosphate compounds can be observed in sedimentary rocks and when the rocks weather (wear down over time) the compounded phosphorus … Absorption by plants and animals. Phosphorus cycle steps. Steps of the Phosphorus Cycle. Test. The phosphorus cycle 1. Fertilizer. Phosphorus Cycle Phosphorus exists in many different forms in soil. The main source of phosphorus is sedimentary rock (that is, rock formed over millions of years from compacted sediments). There are three steps in the phosphorus cycle. The plants may then be consumed by animals. By-Nishant Gupta (11BEI0037) 2. Some phosphates make their way back to the ocean. Thus, the first stage of the phosphorus cycle involves the chemical weathering of phosphorus from exposed surfaces of sedimentary phosphorus-bearing rocks such as apatite. Key steps of the phosphorus cycle: # Over time, rain and weathering cause rocks to release phosphate ions and other minerals. Phosphorus Cycle Steps Sunday, September 6, 2020. Spell. Weathering from Rocks into Soils.