Study the given flow chart and select the correct statement regarding this.

(i) It represents phosphorus cycling in a terrestrial ecosystem.
(ii) It represents phosphorus cycling in an aquatic ecosystem.
(iii) Natural resenvoir of phosphorus is phosphate rocks.
(iv) There is no repiratory release of phosphorus into atmosphere.
(v) Gaseous exchange of phosphorus between organisms and enviornment occurs to a considereable extent.