A biome ( BY-ohm) is a distinct geographical region with specific climate, vegetation, animal life, and an ecosystem. It consists of a biological community that has formed in response to its physical environment and regional climate.

The Earth is home to a remarkable variety of life, from lush rainforests to icy tundras. To make sense of this diversity, scientists group regions of the planet into large ecological categories called biomes. A biome is a vast area defined by its climate, geography, plants, and animals. Each biome supports unique ecosystems that interact to form the web of life on Earth.

A biome is a large geographical region characterized by specific climate conditions (temperature, rainfall, and seasonality), plant life, and animal species. Unlike smaller ecosystems, which focus on localized interactions, biomes cover broad areas of the planet.

For example:

Importance

Threats to biomes

Human activities are rapidly changing and degrading biomes:

Conserving and restoring biomes is crucial to protecting Earth’s life support systems. This means:

See also

Page data
SDG SDG13 Climate action
Authors Irene Delgado
License CC-BY-SA-4.0
Language English ()
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Created August 16, 2025 by Irene Delgado
Last edit September 11, 2025 by Emilio