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How many of the following statements is /are correct about food chains ?
(1 ) GFC is the major conduit of energy flow in an aquatic ecosystem.
(2) Source of energy in the detritus food chain is not directly the sun
(3) Detritus food chain may be connected to grazing food chain somewhere .
(4) In a grazing food chain, the size of organisms always decreases at higher levels.

A

Aquatic ecosystem

B

Terrestrial ecosystem

C

Grassland ecosystem

D

Croplant ecosystem

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The correct Answer is:
A
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