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  1. Biodiversity | Definition & Facts | Britannica

    Dec 1, 2025 · Biodiversity, the variety of life found in a place on Earth or, often, the total variety of life on Earth. A common measure of this variety, called species richness, is the count of …

  2. Biodiversity - National Geographic Society

    May 7, 2025 · Biodiversity refers to all the different kinds of living organisms within a given area, including plants, animals, fungi and other living things. It includes everything from towering …

  3. Biodiversity - Wikipedia

    To give a couple of examples, the Food and Agriculture Organization of the United Nations (FAO) defined biodiversity in 2019 as "the variability that exists among living organisms (both within …

  4. What is Biodiversity? Why Is It Important? | AMNH

    The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and …

  5. What is Biodiversity? Definition, Importance, Threats, and …

    Apr 13, 2025 · This breathtaking richness, this complexity and abundance of life, is what we call biodiversity. Biodiversity is the very fabric of life on Earth. It includes all living …

  6. BIODIVERSITY Definition & Meaning - Merriam-Webster

    The meaning of BIODIVERSITY is biological diversity in an environment as indicated by numbers of different species of plants and animals. How to use biodiversity in a sentence.

  7. What is Biodiversity? Meaning, Definition - UNESCO

    Biodiversity refers to the variety of life forms within a specific ecosystem, region, or on the planet as a whole. It encompasses the diversity of species, genetic variations, and ecological processes

  8. What Is Biodiversity? - Smithsonian National Museum of Natural …

    Biodiversity — short for biological diversity — is the variety of all living things and their interactions. Biodiversity changes over time as extinction occurs and new species evolve.

  9. What is biodiversity? - World Wildlife Fund

    Biodiversity is all the different kinds of life you’ll find in one area—the variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural world.

  10. What is biodiversity and why does its loss matter?

    Biodiversity is the volume of life on Earth, as well as how different species interact with each other and the physical world around them.