Definition, Meaning & Synonyms

chemotroph

Noun

/ˌkiːməˈtrɒf/

Definition

An organism that obtains energy by the oxidation of electron donors in its environment.

Examples

Bacteria are one of the most abundant groups of chemotrophs on Earth.
Some chemotrophs can survive in extreme environments by utilizing inorganic compounds as their energy source.
Most decomposers in the soil are chemotrophs that feed on dead organic material.

Meaning

Chemotrophs are organisms that derive their energy from chemical compounds, rather than from sunlight (as in the case of phototrophs). They play a crucial role in various ecosystems by breaking down organic matter and recycling nutrients.