Answer:
(c) 2 Kcal/m²/year
Explanation:
In a typical energy pyramid about 10% of the available energy is transferred from one trophic level to the next.
In this case, an area in which the energy production of the autotrophs equals 200 Kcal/m2/year.
The transformation of energy starts from producers to primary consumers, then secondary consumers and finally to tertiary consumers.
From producers to primary consumers, transferred energy will be :
10 % of 200 Kcal/m²/year = 20 Kcal/m²/year
From primary consumers to secondary consumers the energy will be :
10 % of 20 Kcal/m²/year = 2 Kcal/m²/year
Hence, the correct option is (c).
