Tropical Rainforests

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of all today’s modern medicines, we use come from plants that occupy the rainforest. Scientists estimate that more than half of all the world's plant and animal species live in tropical rainforests. Tropical rainforests produce almost half of the oxygen we all breath. The tropical rainforest’ dominant plants include the tall, broad-leaved evergreen trees. The densest areas of biodiversity are found in the forest canopy, as it often supports a rich flora of epiphytes, including orchids, bromeliads, mosses and lichens. It can take ten minutes for a falling raindrop to travel from a rainforest thick canopy to the floor.

The Amazon rainforest in South America is so big that if it were a country, it would be the ninth biggest in the world. Some of the pine trees in Tasmania’s temperate rainforests can live for up to 2,000 years. A lake inside a rainforest on the Caribbean island of Dominica sizzles at around 88°C. Eighty percent of the flowers in the Australian rainforests ...

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