AP BIOLOGY

Detailed explanation-1: -Food webs illustrate energy flow from primary producers to primary consumers (herbivores), and from primary consumers to secondary consumers (carnivores).

Detailed explanation-2: -An ecological pyramid is a diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web.

Detailed explanation-3: -An energy pyramid is a graphical representation of the flow of energy through the organic matter in an ecosystem. Primary producers like plants are capable of making their own energy from the sun. Producers make up the bottom of a pyramid.

Detailed explanation-4: -Ecological pyramids show the relative amounts of matter or energy in different trophic levels of an ecosystem.