Each step in the flow of energy through an ecosystem is known as aA. food chain. B.trophic level. C.plateau of consumption. D.food web.

The interaction between the non-living organisms with the living organism is called an ecosystem. The ecosystem is the main component of the enviornment. The ecosystem is made up of the following:-

Each organism holds a specific position in the ecosystem on the basis of their food and that level is stated as tropic level. For example, the consumer is those species that eat herbivores and herbivores are the species that eat plants.

According to the question, the correction option is B that is tropic level.

Hence, Each step in the flow of energy through an ecosystem is known as

Tropic level.

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Option B) Trophic level

Explanation:

Trophic level refers to a feeding level, representing the number of links by which food energy is transferred from producers

to final consumers.

For example

Grass > Antelope > Lion

This food chain begins with grass as producer, that is fed on by antelope which in turn is fed on by a carnivore, lion. Thus, there are three trophic levels by which energy is transferred in a step-by-step basis from grass to lion.

Thus, trophic level is the answer

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good lesson