Q. Which of the following statement(s) is / are correct about biogeochemical cycle -
. Carbon and nitrogen cycle faster than phosphorus cycle
. All biogeochemical cycles include both organisms and nonliving components
. Most elements remain longest in the living portion of their cycle
. The chemical elements used by organisms in large quantities cycle back and forth between organisms and environment.

 1368  186 Ecosystem Report Error

Solution:

Correct answer is (b)