What is a Rainforest Rainforests have evolved over millions of years. They are so amazing and beautiful. An area of a rainforest the size of a football field is being destroyed each second. Tropical and temperate rainforests share certain characteristics. For example, most trees flare at the base.
Vegetation is dense, tall and very green.
Many species exist in both rainforests, although the diversity is greater in the tropical rainforest. The rainforests are home to half of the Earth's plantand animal species. Biodiversity in the Rainforest Biological diversity, very simply, refers to all of thedifferent kinds of life on Earth. Also called biodiversity,biological diversity is often used to refer to the totalnumber of different species on Earth. The tropical rainforest is earth's most complex biome in terms of both structure and species diversity.