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  1. Biodiversity | Definition & Facts | Britannica

    May 26, 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 species in an …

  2. Biodiversity - Wikipedia

    Biodiversity 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 …

  3. What Is Biodiversity? | WWF - 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.

  4. Biodiversity - Education

    May 7, 2025 · Biodiversity refers to the variety of living species on Earth, including plants, animals, bacteria and fungi. While Earth’s biodiversity is so rich that many species have yet to be discovered, …

  5. Biodiversity - World Health Organization (WHO)

    Feb 18, 2025 · WHO fact sheet on biodiversity as it relates to health, including key facts, threats to biodiversity, impact, climate change, health research and WHO response.

  6. What is Biodiversity? Why Is It Important? | AMNH

    Why is biodiversity important? Biodiversity is important to most aspects of our lives. We value biodiversity for many reasons, some utilitarian, some intrinsic. This means we value biodiversity both …

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

    Jan 22, 2024 · The UN and its global partners will grapple with the massive loss of animal and plant species and how to avoid further extinction at a major conference beginning 23 January. Here’s a …

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

    Apr 13, 2025 · Threats to Biodiversity: A Crisis Unfolding Despite its importance, biodiversity is in crisis. Species are vanishing at rates 100 to 1,000 times the natural background rate. Habitat Destruction is …

  9. What Is Biodiversity? - Smithsonian National Museum of Natural History

    Biodiversity Biodiversity is the extraordinary variety of life on Earth — from genes and species to ecosystems and the valuable functions they perform. E.O. Wilson, the noted biologist and author …

  10. Why Biodiversity Matters More Than We Think: How Species, …

    Feb 26, 2026 · Biodiversity importance underpins ecosystems, food, medicine, and climate stability. Conservation science guides strategies to protect species and habitats.