the hard, variously colored, calcareous skeleton secreted by certain marine polyps. 2. such skeletons collectively, forming reefs, islands, etc. 3. the solitary or colonial polyp that secretes this calcareous skeleton.
There are three major known groups of Archaebacteria: methanogens, halophiles, and thermophiles. The methanogens are anaerobic bacteria that produce methane. They are found in sewage treatment plants, bogs, and the intestinal tracts of ruminants.
I need 5 types of archaebacteria and their scientific and common name. I've tried looking for the answer on google, yahoo, and alta vista, but just can't find their scientific name and common name. :(PLEASE help :).Follow. 1 answer 1. need 5 types of archaebacteria and their scientific and common name. I've tried looking for the answer on google, yahoo, and alta vista, but just can't find their scientific name and common name. :(PLEASE help :). Add your answer. Source.