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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 species in an area.

  2. 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

  3. 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 …

  4. Biodiversity: What It Is, Why It Matters, and How It's Measured

    Dec 26, 2025 · Explore what biodiversity is, why it matters, and how it's measured. Learn about species richness, ecosystem diversity, and the global importance of preserving life's variety.

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

    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, we’ll take a deep …

  6. Introduction to biodiversity - Center for Biodiversity Outcomes

    Biodiversity is the variety of living species on Earth – plants, animals and microorganisms – and the ecosystems they form.

  7. 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 are …

  8. 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 other, the …

  9. 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.

  10. 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 …