Q.
Which one of the following is a sedimentary biogeochemical cycle in ecosystem?
2097
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NTA AbhyasNTA Abhyas 2020Ecosystem
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Solution:
Gaseous biogeochemical cycles include nitrogen, oxygen, carbon and water. Sedimentary cycles include iron, calcium, phosphorus and sulfur.
Phosphorus is mostly used by organisms as phosphate. Its reservoir pool is phosphate rocks, whereas cycling pool is soil for terrestrial ecosystem and water for aquatic ecosystems.