Question

Give one word for the graphic representation of the number of individuals at different trophic levels in a food chain.

Answer 1

Ecological pyramid of number:

1. It is a graphical representation of the number of individuals at different trophic levels in a food chain.
2. It was given by Charles Elton.
3. It is visible from these pyramids that they are in the shape of actual pyramids with their base being broad and they represent the lowest trophic level i.e. the producers.
4. The next level is taken up by the next trophic level, i.e., the primary consumers and so on.
5. The lowest level has maximum number of organisms and it subsequently keeps becoming less as we more upwards in the trophic level.