Question

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.

Answer 1

Answer: 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