This was a large multi-function room capable of seating the bulk of the population of the house. The family would sit at the head table on a raised dais, with the rest of the population arrayed in order of diminishing rank away from them. Tables in the great hall would tend to be long trestle tables with benches.
Protozoan Cyst is a defense mechanism in the Protozoan family. It takes this form according to the conditions of the host. A change in pH, a change in oxygen supplies, anything that trigers the genetic mechanism. The cyst is evacuated trough the sediment. You could say that Cyst are a defense mechanism.
Protozoa are a diverse group of organisms that are non-phototrophic, unicellular, eukaryotic microorganisms with no cell walls. In general, protozoa have different stages in their lifecycles. Trophozoites are the active, reproductive, and feeding stage.his group can often have complex lifecycles that require multiple host species. Many sporozoans cause disease. Of all the diseases caused by protozoa, the deadliest is malaria, caused by the sporozoan Plasmodium. When a female Anopheles mosquito bites a human, it is able to transmit Plasmodium into the bloodstream.