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Solution


Q.

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

 

(iii) Which one of the following is true for a food web
1 Food web does not help in stabilising the ecosystem.  
2 Secondary consumers cannot feed on other species in the event of decrease in population of prey.  
3 A food web provides alternative pathways of food availability.  
4 Food webs are straight.  

Ans.

(3)