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Biodiversity is the name given to the variety of living things on Earth.

It is vital for the planet that there is high biodiversity for reasons such as:

• a variety of living things ensures the stability of the ecosystem meaning less species are in danger of becoming extinct
• humans use a variety of different species as a source of raw materials, food and medicine
• many different species rely on other species as a habitat
• many potential uses of plant-based medicines have still to be discovered