A term for a large unbroken area of land, especially concerning ecosystems, is called a **biome**. Biomes are significant in understanding the Earth’s various ecological zones, characterized by distinct climates, flora, and fauna. Examples include the **tundra**, **tropical rainforest**, and **desert** biomes. Each biome supports unique ecosystems, influencing biodiversity and the interactions of organisms. Protecting these large areas of land is crucial for maintaining environmental health and addressing changes due to **climate change** and **human activity**.