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  1. Biodiversity | Definition & Facts | Britannica

    3 days ago · 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 species in an area.

  2. 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.

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  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 and …

  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 cultural processes that …

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  5. 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 redwood …

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  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? - Smithsonian National Museum of Natural History

    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.

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  8. 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.

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  9. What Is Biodiversity? Definition, Levels & Importance

    Mar 9, 2026 · Biodiversity is the variety of all living things on Earth, from the genes inside a single organism to the range of species in a forest to entire ecosystems like coral reefs and grasslands.

  10. What is Biodiversity? Definition, Importance, Threats, and Conservation

    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 organisms—plants, …