Biodiversity refers to the variety of all living organisms in a particular area, including the differences within species, between species, and between ecosystems. It includes plants, animals, fungi, and microorganisms, along with their genetic differences and the ecosystems they form. In GCSE Biology, understanding biodiversity is important because it shows how living things are interconnected and how each species plays a role in maintaining the balance of an ecosystem. High biodiversity makes ecosystems more stable and resilient to environmental changes, and it provides essential resources for humans, such as food, medicine, and clean air and water.
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