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.
Lake Baikal is a huge lake in Siberia, Russia. It is the biggest fresh water reservoir in the world. The lake is near Irkutsk. Baikal is about 636 kilometres (395 mi) long. It is 20 to 80 kilometres (12 to 50 mi) wide. At its deepest point, it is 1,700 metres (5,600 ft) deep. With this depth it is the deepest lake on Earth. The lake is a UNESCO World Heritage Site. It holds about 20% of the world's unfrozen surface fresh water,