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.].
The Open Systems Interconnection (OSI) model is a protocol used to communicate between different networks. Protocols are nothing but a set of rules used to communicate between two networks. The Open Systems Interconnection (OSI) model is divided in seven layers. Reference from Google. OSI Model divided in two parts upper level and lower level. The OSI Model is also divided in two parts; upper level and lower level. The lower level contains a physical layer, data link layer and network layer.