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Solution


Q.

Study the figure given below and answer the following questions from (i) to (v):

 

(ii) The series of branching lines shown in above figure appears in nature because:
1 the length and complexity of food chains vary.  
2 each organism is generally eaten by two or more other kinds of organisms.  
3 straight line food chains are not practically possible.  
4 all of the above  

Ans.

(4)