Energy flow in ecological pyramid - Environment & Biodiversity

Q.  Which of the following statement/s is/are correct regarding energy flow?

1) The energy flow in an ecological pyramid is one-directional and loss at each stage simply disappears as heat into the environment.
2) The loss of energy at each stage can also be explained through the famous First Law of Thermodynamics.
- Published on 28 Aug 15

a. Only 1
b. Only 2
c. Both 1 and 2
d. None of the above

ANSWER: Only 1
 
It can be explained through Second Law of Thermodynamics. The law states that ‘No energy transfer is 100 percent efficient’.

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