The pathway of energy flow in an ecosystem is $.......$.

• A
  Herbivores $\rightarrow$ Producers $\rightarrow$ Carnivores $\rightarrow$ Decomposers
• B
  Herbivores $\rightarrow$ Carnivores $\rightarrow$ Producers $\rightarrow$ Decomposers
• C
  Producers $\rightarrow$ Carnivores $\rightarrow$ Herbivores $\rightarrow$ Decomposers
• D
  Producers $\rightarrow$ Herbivores $\rightarrow$ Carnivores $\rightarrow$ Decomposers