Question

an energy pyramid is really just...

an entire ecosystem shown as a pyramid

a food web with animals drawn in a pyramid rather than with arrows.

a food chain where the focus is on the levels of energy

rewatch

Explanation:

An energy pyramid represents the flow of energy through different trophic levels in a food chain. It focuses on the energy transfer between producers (at the base) and various levels of consumers (higher up). An ecosystem is a broader concept including living and non - living components. A food web is a complex network of multiple food chains. The energy pyramid specifically emphasizes energy levels in a food - chain context.

Answer:

a food chain where the focus is on the levels of energy