Simple illustration of feeding relationships in an ecosystem. Photosynthetic organism, autotroph. Shows complex feeding relationships within an ecosystem Organisms- fungi and bacteria -that digest waste. Changes in the ___ cycle are implicated in global warming. Literally “plant eater”; an organism that eats plants. Bacteria that break down nitrates and release nitrogen gas. An organism that eats other organisms. ____consumer, feeds on primary consumers. An organism that eats other organisms, a heterotroph. “Meat eater”; feeds on other heterotrophs. ____consumer, eats other carnivores. ____consumer, herbivore. ___cycle, movement of nutrients through ecosystem. Organisms that live off the waste and remains of other organisms. Nitrogen ___; converts atmospheric nitrogen into ammonia Are the major reservoirs of the Earth’s water. ___effect; traps, traps heat in the atmosphere.