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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

    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 cultural processes that …

  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 redwood …

  5. 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.

  6. 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 …

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

    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 - including fresh...

  8. What is Biodiversity? Meaning, Definition - UNESCO

    Biodiversity refers to the variety of life forms within a specific ecosystem, region, or on the planet as a whole. It encompasses the diversity of species, genetic variations, and ecological processes

  9. 16.1: Introduction to Biodiversity - Biology LibreTexts

    Scientists generally accept that the term biodiversity describes the number and kinds of species in a location or on the planet. Species can be difficult to define, but most biologists still feel …

  10. What is Biodiversity? - 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 …