All organism within an ecosystem have what they call a niche; their particular role, their particular contributions, and their particular responsibility to all the other organisms. You have: -Producers (plant life, organisms who can convert solar energy into matter.) -Herbivores / Frugivores -Omnivores -Carnivores Each of these are vital to any ecosystem. I know that most people place Humans in the omnivore or carnivore category, even though...