What is a trophic level? What does it represent in an ecological pyramid?

What is an ecological pyramid?

What occupies the base of any ecological pyramid?

What does a wave represent ?

What does _Z^A X represents?

What occupies the top portion of any ecological pyramid?

What is an ecological population ?

Trophic level in an ecosystem represents the

what is ecology

Identify the correct one from the following as we move up from lower trophic level to the higher level in ecological pyramids

The organisms which are not represented in ecological pyramids are