Consider the following statements:
1. The energy flow in an ecosystem results in entropy.
2. In prairie ecosystem, `90%` of the secondary productivity occurs in the soil.
3. The detritus chain is of greater importance in energy flow in many ecosystem than are herbivorous/carnivorous/omnivorous grazing chains.
Which of these statements are correct?

Options

A. 1 and 2
B. 1, 2 and 3
C. 2 and 3
D. 1 and 3

Answer

A