In general, biotic factors are the living components of an ecosystem and are sorted into three groups: producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores. Grass as producers (autotrophs). read more
Common abiotic factors include temperature, light, moisture and pH. In a standard ecosystem, abiotic factors represent any non-living elements of that system. Therefore, determining abiotic factors is specific to the ecosystem in question. read more