Protozoa (kingdom Protoctista) A phylum (division) of eukaryotic, single-celled micro-organisms which show a wide variety of forms. The phylum includes some plant-like forms and animal species that are free-living, commensal, mutualistic, and parasitic, and some important disease-causing organisms.
Lake Baikal in Siberia, Russia (Asia), is the world's deepest fresh water lake at 1,638 metres deep. It is 636 km long and is the world's sixth largest lake and 1,181 metr â¦ es of it is below sea level. It contains 20% of the world's fresh water which is so clear that divers suffer from vertigo.
In 1991, the Russian Federation was established as an independent republic and Kamchatka was opened for visiting by foreign guests. The main settlement of the peninsula and the capital of Kamchatka Region is the city of Petropavlovsk-Kamchatsky. The city is located on the southeastern shore of the Kamchatka Peninsula. Petropavlovsk's streets wind around green volcanic hills where city residents still pick berries and mushrooms.