Which organism is probably responsible for keeping the food web and the pyramids in their respective shapes? The Earth is an open system for energy. Explain what that means using evidence from pyramids.

Primary producers.

Explanation:

Food wave:

Food wave is the connection of all organism which depends on each other. In food wave one species eaten by other other species.

For example:

Grass eaten by grass hopper then grass hopper eaten then grass hopper eaten by frog then frog eaten by snake and then snake eaten by hawk. This above is called food chain.

Pyramids:

The pyramids is the graphical representation of ecological relationship between different organism in the ecosystem.

The base of every pyramids will be the primary producers which have large number. Like in above food chain the base of pyramids will the grass.