Producers Green plants - they make glucose during photosynthesis. Primary consumers Usually eat plant material - they are herbivores. For example rabbits, caterpillars, cows and sheep. Secondary ...

Of these ecosystems, those dominated by plants (e.g., tundra ... the concomitant loss of associated ecosystem services. When and Where Do Community-Level Trophic Cascades Occur?

D. Ecosystem-level evidence for top-down and bottom-up control of production in a grassland stream system. Oecologia (Berlin) 115, 173–183 (1998). Levine, S. Several measures of trophic ...