• Archaea - MicrobeWorld

    www.microbeworld.org/types-of-microbes/archaea There are three main types of archaea: the crenarchaeota (kren-are-key-oh-ta), which are characterized by their ability to tolerate extremes in temperature and acidity.
  • Archaea - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Archaea The classification of archaea, and of prokaryotes in general, is a rapidly moving and contentious field. Current classification systems aim to organize archaea into ...
  • Introduction to the Archaea

    www.ucmp.berkeley.edu/archaea/archaea.html The Domain Archaea wasn't recognized as a major domain of life until quite recently. Until the 20th century, most biologists considered all living things to be ...
    • Archaea | Define Archaea at Dictionary.com

      dictionary.reference.com/browse/archaea archaea in Science Expand archaeon (är'kē-ŏn') Plural archaea Any of a group of microorganisms that resemble bacteria but are different from them in certain ...
    • archaea | prokaryote | Britannica.com

      www.britannica.com/science/archaea Archaea (domain Archaea), any of a group of single-celled prokaryotic organisms (that is, organisms whose cells lack a defined nucleus) that have distinct molecular ...
    • What are Archaea? - Encyclopedia of Life

      eol.org/info/457 Photo credit: Halobacterium by David J Patterson, micro*scope. CC BY-NC. Archaea are a domain of single-celled microorganisms. They have no cell nucleus or any other ...
    • Archaea | Definition of Archaea by Merriam-Webster

      www.merriam-webster.com/dictionary/archaea :microorganisms of a domain (Archaea) including especially methane-producing forms, some red halophilic forms, and others of harsh hot acidic environments (as a hot ...
    • Archaea - New World Encyclopedia

      www.newworldencyclopedia.org/entry/Archaea Archaea or Archaebacteria is a major division of living organisms, as well as the name of the members of this group, which in singular form are known as archaeon ...
    • Archaea - Extreme Microscopic Organisms

      biology.about.com/od/evolution/p/archaea.htm Archaea. Archaea are a group of microscopic organisms that were discovered in the early 1970s. Like bacteria, they are single-celled prokaryotes.
    • Archaea - RCN Corporation

      users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/Archaea.html What can we conclude from this collection of traits? Many traits found in the bacteria first appeared in the ancestors of all the present-day groups.