The increase in concentration of toxic substances in successive trophic level is referred to as

The process of progressive chemical accumulation of nondegradable chemicals at each trophic level is known as

How much energy is consumed from one trophic level to another trophic level?

_____ are present in the first trophic level in the food chain.

Energy and nutrients flow from one trophic level to another in an ecosystem. Which one of the following statements correctly describes the direction of flow of energy and nutrients in an ecosystem?

Which of the following limits the number of trophic levels in a food chain ?