The tip of an ecological pyramid is occupied by

The relationship in an ecosystem can be depicted in

Given below is one of the types of ecological pyramids. This type represents:

In which ecological pyramid does a small standing crop of phytoplankton support a large standing crop of zooplankton?

The given figure represents a pyramid of energy. What can be inferred from it?

Assertion : In a food chain, members of successive higher levels are fewer in number.
Reason : Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.