The pyramid of energy is a graphical representation of the energy flow at each successive trophic level in an ecosystem. It illustrates that the amount of energy decreases as it is transferred from lower to higher trophic levels.
Consider the following statements:
Every step in a food chain is called a trophic level.
Decomposers convert complex organic matter into simple substances that mix with the soil.
In a food chain, energy increases from lower to higher trophic level.
Interlinking of multiple food chains forms a food web.
Which of the above statements are correct?
Solve the following assignment problem for minimization :
Find x if the cost of living index is 150 :