Energy Flow Through The Ecosystem Worksheets Trophic Elements 1 -

| Organism | Trophic Element | |----------|----------------| | 1. Mushroom | A. Tertiary Consumer | | 2. Algae | B. Decomposer | | 3. Zebra | C. Producer | | 4. Polar Bear | D. Secondary Consumer | | 5. Rattlesnake (eats mice) | E. Primary Consumer |