Question

These can live at many different heights and temperatures

Answer 1

Answer:

atmosphere

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Answer 2

Archaea are the main group to thrive in extreme environments.

Explanation:

• Archaebacteria are a group of microorganisms considered to be an ancient form of life that evolved separately from bacteria and blue-green algae, and are sometimes classified as a kingdom.
• The general characteristics of archaebacteria known to date are:

(1) the presence of characteristic t RNAs and ribosomal RNAs;

(2) the absence of peptidoglycan cell walls, in many cases, replaced by a largely proteinaceous coat;

(3) Phenomenon of ether linked lipids formed from phenyl chains

• Examples of archaebacteria include halophiles (microorganisms that can live in highly saline environments), methanogens (microorganisms that produce methane), and thermophiles (microorganisms that can thrive in extremely hot environments).