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  1. Biodiversity - Wikipedia

    An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses). Biodiversity is the variability of life on Earth. It can be measured …

  2. Biodiversity | Definition & Facts | Britannica

    Jan 2, 2026 · 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 …

  3. 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 …

  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 · 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. 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.

  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 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, either in a …

  9. What is Biodiversity | WWF

    Biodiversity found on Earth today consists of many millions of distinct biological species, the product of four billion years of evolution. But the word “Biodiversity” itself is actually quite new.

  10. What is biodiversity and how are we protecting it? - BBC News

    Oct 18, 2024 · What is biodiversity and why is it important? Biodiversity is the variety of all life on Earth - animals, plants, fungi and micro-organisms like bacteria.