Ecosystem Question 77
77. Natural reservoir of phosphorus is :
(a) Animal bones
(b) Rock
(c) Fossils
(d) Sea water
Show Answer
Answer : b
Hints & Solutions
(b) The natural reservoir of phosphate is rock which contains phosphorus in the form of phosphates when rocks are weathered, minute amounts of these phosphate dissolve in soil solution and are absorbed by the roots of the plants. Herbivores and other animals obtain this element from plants.
