1 Phylum Euryarchaeota: This is the most studied division of archaea, and mostly includes methanogens and halophiles. 2  Phylum Crenarchaeota: It includes thermophiles, hyperthermophiles and thermoacidophiles. 3  These archebacteria are mostly found in the marine environment.nder the kingdom Archaea, archebacteria are classified into the following phyla: Methanogens harvest energy by converting H2 and CO2 into methane gas. They are found in the intestinal tracts of humans and some animals such as cows, and in marshes.
-oses. Suffix meaning a process, condition, or state, usually abnormal or diseased; production or increase, physiologic or pathologic; an invasion or infestation; in the latter sense, it is similar to and often interchangeable with Greek-iasis, as seen in trichinosis, trichiniasis. [G.].
Open Systems Interconnection Model (OSI Model) Definition - What does Open Systems Interconnection Model (OSI Model) mean? The Open Systems Interconnection (OSI) Model is a conceptual and logical layout that defines network communication used by systems open to interconnection and communication with other systems.