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How many number of (i) primary consumers...

How many number of (i) primary consumers, (ii) secondary con-sumers and (iii) tertiary consumers are represented in the given food web?

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A
Primary consumers are animals which feed on producers and are 4 in number in the given food web (deer, squirrel, birds and rat). Secondary consumers are animals which feed on primary consumers and are 5 in number in the given food web (bear, tiger, cat, hawk and snake). Tertiary consumers are those which feed on secondary consumers (hawk that feeds on snake).
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