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Draw a 'pyramid of numbers' of a situati...

Draw a 'pyramid of numbers' of a situation where a large population of insects feed upon a very big tree. The insects in turn, are eaten by small birds which in turn are fed upon by big birds.
(b) Differentiate giving reason, between the pyramid of biomass of the above situation and the pyramid of numbers that you have drawn.

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(b) In case of pyramid of number for first two steps number increases but after that it starts to decrease. Whereas, in pyramid of biomass there is no clear trend.
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