Which of the following series is true about energy flow in an ecosystem?

Which of the following series is true about energy flow in an ecosystem?
1). Prodcucers ? Decomposeers ? Consumers.
2). ?Decomposers ? Consumers ? Producers.
3). Prodcucers ? Consumers ? Decomposeers.
4). ?Consumers ? Prodcucers ? Decomposeers

Correct answer is: Prodcucers ? Consumers ? Decomposeers.

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