Biome (noun)

A major regional or global biotic community, characterized by the dominant forms of plant and animal life and the physical environment, such as a desert, tropical rainforest, or coral reef.

Origin:

From bio- + -ome.

Examples:

1. The tundra is a cold, treeless biome.
2. The tropical rainforest biome is home to a wide variety of plant and animal species.
3. The biome of the ocean is much larger than that of the land.
4. The biome is affected by climate change.
5. The biome is characterized by its unique flora and fauna.