Item Eats Type Process Trophic Waste Biome/Niche

Human Steak, Shrimp, Salad Omni/Carnevoir Secondary Consumer 3rd Waste Urbana 

Cow Grass Herbivoir Primary Consumer 2nd Cow Pies Field 

Shrimp Plankton & Detritus Decomposer 2nd Detritus Marine 

Lettuce Sunlight Photosynthesis Primary Producer 1st GPP/NPP Field

Grass Sunlight Photosynthesis Primary Producer 1st GPP/NPP Field

Plankton Detritus (waste) Decomposer 1st GPP/NPP Marine

Mushroom Cow Pies Chemosynthesis Decomposer 1st Nutrients Ground

NPP: what we eat, what the cow eats

GPP: what the lettuce uses to grow, what the grass uses to grow