Fossil.
Organisms that consume preexisting organic molecules are called heterotrophs.
fossils ;)
organism that depends on preexisting organic plants
Fossil
fossil
fossil
Sedimentary.
The remains, imprints, or traces of once-living organisms are called fossils. (to be more specific they are called trace fossils)
sedimentary rock
What is the remains an imprint or a trace of a prehistoric organism
A fossil formed in this way is called a petrified fossil. It occurs when minerals gradually replace the organic material in an organism's remains, creating a stone replica of the organism. This process is known as petrification.
Fungus is the organism that feed on dead an decaying matter.Animals that feed on dead remains are called Scavengers eg Crow,Vulture.