The rainforest is home to the most diverse ecosystem in the world. It is believed that over 50% of the world's species of plants and animals that are land dwelling live in the rainforest. Rainforests are defined as dense forests with high amounts of annual rainfall and are split into two types: Tropical and Temperate. Tropical rainforests are in Brazil, northern South America, West Central Africa, India, Southeast Asia, Indonesia, and Northeast Australia. Temperate rainforests are in Europe, Russia, Eastern Asia, and the US and Canada.