With respect to the concept of flow of energy in food chains, which of the following statements is/are correct?
1. The flow of energy in an ecosystem is always linear or one way.
2. The quantity of energy flowing through the successive trophic levels increases.
Which of the above statements is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2