Examples of abiotic factors are sun light , temperature , rainfall, climate and soil conditions. They determine how many organisms can live in a given area. . All the blue gills in Coopers Pond.
Examples are the water, nitrogen and carbon cycles.
Example- an aquarium considering all the biotic and abiotic factors. They can do this by photosynthesis or chemosynthesis. Tube worms rely upon the bacteria that make food at the bottom of the ocean. The bacteria get energy and raw materials from vents on the ocean floor. Heterotrophs are consumers, they must consume preformed organic nutrients that were synthesized by others.