Rain forests occur in tropical areas around the equator. Intense rainfall causes rapid and luxuriant growth of vegetation. Amazon rain forest is the largest rainforest in the world and covers an area of 7,000,000 km ², the lower parts of the Andes to the Brazilian Atlantic coast.
Amazon rain forest is important for the environment on the globe and chewing on it wszytkich organisms. Trees assimilate carbon dioxide, contributing to the formation of the so-called. greenhouse effect, ie, global warming, which may cause melting of the polar ice caps and – consequently – the great floods. The trees also give off oxygen necessary for life to people and animals.
Some trees in the rain forest reaches rare size (over 60 m). Their leaves form umbrella-vault, which block the access of light to the lower parts of rośliności, limiting their vegetation.
The world of animals in the Amazon is surprisingly diverse and rich. At the end of the nineteenth century English naturalist am confident classified 14,712 species of animals, with over 8 thousand. until then unknown. Now we know more than 100 thousand. species of animals and birds and at least 270 thousand. beetles. Probably millions more waiting to be discovered.