The majority of heterotrophic bacteria are saprotrophs (also called decomposers), organisms that obtain their food from dead organic matter.
(The majority of heterotrophic bacteria; are; saprotrophs (also called decomposers) (saprotrophs; also called; decomposers) (organisms; obtain; their food; from dead organic matter)
The majority of heterotrophic bacteria saprotrophs organisms
are also called obtain
saprotrophs (also called decomposers
decomposers
their food from dead organic matter