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  1. Biodiversity | Definition & Facts | Britannica

    Jan 2, 2026 · What is the definition of biodiversity? Biodiversity, also called biological diversity, is the variety of life found in a place on Earth or, often, the total variety of life on Earth. A …

  2. Biodiversity - Wikipedia

    The World Health Organization updated its website's definition of biodiversity to be the "variability among living organisms from all sources." [14] Both these definitions, although broad, give a …

  3. 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.

  4. 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 …

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

    Apr 13, 2025 · Biodiversity is not just about the number of species. It’s about relationships, interactions, processes, and the evolutionary dance of adaptation and survival. In this article, …

  6. What is Biodiversity? - U.S. National Park Service

    Mar 4, 2019 · Biological diversity (or biodiversity) is the variety of life on Earth. It includes all living things, not just the plants and animals that are common or easily seen. It includes species that …

  7. 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.

  8. Biodiversity - Understanding Global Change

    Biodiversity Biodiversity refers to the number of species, the number of different ecological roles played by those species, or the amount of genetic diversity encompassed by those species, …

  9. Yale Experts Explain Biodiversity

    Biodiversity – ‘biological’ (living) and ‘diversity’ - is the variety and variability of all life on Earth, including plants, animals, bacteria and microorganisms, and humans.

  10. Biodiversity 101: Protecting the variety of life on Earth | TNC

    Sep 18, 2024 · What is biodiversity? Biodiversity, or biological diversity, is the variety of life on Earth. It’s a rich and wonderful fabric woven by millions of species, their interactions with each …