Q: 48 (IAS/2013)

Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
question_subject: 
Ecology
question_year: 
2013
question_exam: 
IAS
question_sub_subject: 
Ecology
question_topic: 
Ecology
stats: 
0,6224,7560,1656,2296,6224,3608