Question

A. the base of a food web?

Answer 1

Answer:

Primary producer

Explanation:

(I am guessing you are talking about the energy pyramid)

The primary producer is the organism that gives energy to the primary consumers.

Answer 2

Answer:

A base of a food web contains all the producers (plants)

Explanation:

The producers give energy to the consumers and so forth. As the energy travels through the food web the energy decreases.