What are the first trophic level in the ecòsystem ?

Read the following statements and select the correct ones. (i) A given species may occupy more than one trophic level in the same ecosystem at the same time. (ii) Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem. (iii)Producers constitute the first trophic level of a detritus food chain.

Which of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?

Flow of energy declines from lower or first trophic level to upper or top trophic level in ecosystem is mainly explained by

Trophic level in an ecosystem represents the

What does the first tropic level of any ecological pyramid comprise of?

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?

The second trophic level in a lake is-

What are trophic levels ? Give an example for a food chain and state the different trophic levels in it .

What limits the number of trophic levels in a fooc chiain?