
Biodiversity | Definition & Facts | Britannica
Feb 27, 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 area.
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 …
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 …
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] .
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.
Biodiversity: Definition, Types, Importance, Conservation
Jan 30, 2026 · Learn biodiversity, its levels, ecosystem services, threats, and conservation strategies. Explore its role in ecology, economy, and global sustainability.
Biodiversity: What It Is, Why It Matters, and How It's Measured
Dec 26, 2025 · Biodiversity refers to the variety of life at all levels, genes, species, and ecosystems, while ecosystem services are the benefits that biodiversity provides to humans.
Biodiversity - our strongest natural defense against climate change
Biological diversity — or biodiversity — is the variety of life on Earth, in all its forms, from genes and bacteria to entire ecosystems such as forests or coral reefs. The biodiversity we see...
What is Biodiversity? Definition, Importance, Threats, and Conservation
Apr 13, 2025 · In this article, we’ll take a deep dive into what biodiversity is, why it matters, how it’s measured, what threatens it, and what we can do to preserve it for generations to come.
What Is Biodiversity? - Smithsonian National Museum of Natural History
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.