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nounconsidered ancient life forms that evolved separately from bacteria and blue-green algae
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Definition that contains archaebacteria
- halophile archaebacteria requiring a salt-rich environment for growth and survival
- halophil archaebacteria requiring a salt-rich environment for growth and survival
- thermoacidophile archaebacteria that thrive in strongly acidic environments at high temperatures
- methanogen archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas