CK-12 Foundation
Ck 12: Life Science: Types of Archaea
[Free Registration/Login may be required to access all resource tools.] The first archaea described could survive in extremely harsh environments in which no other organisms could survive. As a result, archaea are often distinguished by...
BiologyWise
Biology Wise: Types of Extremophiles and Where Are They Found?
Extremophiles are among the world's most fascinating organisms because they are able to survive in extreme conditions. Learn how extremophiles can thrive in highly acidic or alkaline conditions, under intense pressure or in extreme heat,...