Subject :NSO Class : Class 7
Rhizobium bacteria P and leguminous plants Q are in symbiotic relationship whereas mole R is the predator of leguminous plants. Which of the following graphs, correctly represents their relationship?
A 
B 
C 
D 
PLEASE EXPLAIN
Ans 1:
Class : Class 7
I think answer is A because if the no of predator increases in a food chain then the no of prey is decreased