Organisms are classified into trophic levels according to --------

Options :
  1. their habitat
  2. how much they weigh
  3. the source of their nutrients
  4. all of the above


Answer and Explanation :-

Answer: Option 3

Explanation:

Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : The second stage of hydrosere is occupied by the plants like --------

Next Question : The exchange pool in the carbon cycle is -----

Click here for free online test on Ecosystem

Responses


 (Getemail alerts when others member replies)







And remember: you must never, under any circumstances, despair. To hope and to act, these are our duties in misfortune.
-Boris Pasternak Doctor Zhivago