Q.

Read the following statements.

Statement A: Pyramid of energy for a sea is inverted.

Statement B: In a sea, a small standing crop of phytoplankton support a large standing crop of fish.

In the light of given statements, choose the correct answer from the options given below.

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a

Both the statements A and B are correct.

b

Both the statements A and B are incorrect.

c

Statement A is correct, but statement B is incorrect.

d

Statement A is incorrect, but statement B is correct.

answer is D.

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Detailed Solution

Energy flow follows 10 percent rule (only 10% of energy is transferred to successive trophic levels and 90% is lost to the environment) and so the pyramid of energy is always upright.

In the case of a sea ecosystem, the pyramid of biomass is inverted because small standing crop of phytoplankton supports large standing crop of fish.

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