archaebacteria
/ˌɑrkiˌbækˈtɪriə/
noun
- A group of single-celled microorganisms that are similar to bacteria but have different genetic and chemical structures, often living in extreme environments like hot springs or salt lakes.
- Scientists study archaebacteria to learn how life might exist on other planets.
- Archaebacteria can survive in boiling hot springs where other life forms cannot.
- Some archaebacteria produce methane gas as part of their life cycle.