An ecosystem is made up of parts with life and parts without life. Within the lifeless parts, there are rocks for example. These lifeless factors are called abiotic factors.
The factors that are alive are called biotic factors.
<span>Biotic factors are the living components of an
ecosystem. They are sorted into three groups: producers or autotrophs,
consumers or heterotrophs, and decomposers or detritivores.</span>
