Matching Pairs BiodiversidadOnline version unir columnas by Fernando Moreno Sigüenza 1 We know about more than 2 2 The most biodiverse ecosystems are 3 Biodiversity is the variety of living things on Earth. rainforest and coral reefs. millions species, but there may be many more. 1 The disapperance of a species is called 2 When a species of living things disapears from a place there is loss of biodiversity. extinction