Relier Pairs Cycling of MatterVersion en ligne Many living things, including humans, take in oxygen and release carbon dioxide. The interaction of the carbon and oxygen cycles is one example of a relationship between different types of matter in ecosystems. par Sadaf Khan 1 Decomposers 2 Rain 3 Nitrogen fixing bacteria 4 Photosynthesis 5 Phytoplankton process in which plants make their food a form of precipitation feeds on dead organism photosynthetic organism Changes atmospheric nitrogen to usable nitrogen