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.
Depth of lake: 5,380 feet (1,640 m) Lake Baikal sits in Southern Siberia in Russia, located between Irkutsk Oblast to the northwest and the Buryat Republic to the southeast, near the city of Irkutsk. Also known as the Blue Eye of Siberia, it contains more water than all the North American Great Lakes combined.