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  1. Biodiversity | Definition & Facts | Britannica

    Oct 19, 2025 · 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

    Biodiversity is the variability of life on Earth. It can be measured on various levels, for example, genetic variability, species diversity, ecosystem diversity and phylogenetic diversity. [1] .

  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. 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.

  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 …

  6. 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, …

  7. What is biodiversity, and why is it so important? / RHS Gardening

    Oct 17, 2025 · What is biodiversity, and why is it so important? It’s a word we hear a lot – Biodiversity Net Gain, biodiversity loss, biodiversity crisis, garden biodiversity. But what do we …

  8. Biodiversity: What is it and how can we protect it? - UN News

    Jan 22, 2024 · What does 'biodiversity' mean and why is it important? In simple terms, biodiversity refers to all types of life on Earth. The UN Convention on Biological Diversity (CBD) describes …

  9. 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.

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

    Oct 18, 2024 · Biodiversity is the variety of all life on Earth - animals, plants, fungi and micro-organisms like bacteria. Together they provide us with everything necessary for survival - …