What is the largest biome?

The largest biome in the world is the marine biome, which covers about 71% of the Earth's surface. The marine biome includes oceans, coral reefs, estuaries, and saltwater marshes. It is home to a vast array of marine creatures ranging from tiny plankton to large whales, with an estimated one million species living in the ocean. The marine biome is not only important for its biodiversity, but also plays a significant role in regulating the Earth's climate and weather patterns. The ocean absorbs a large portion of carbon dioxide, thereby reducing the amount of greenhouse gases in the atmosphere. It also helps to distribute heat around the globe, and influences weather patterns through its ocean currents and winds. Despite its enormous size and importance, the marine biome continues to be threatened by human activities such as overfishing, pollution, and climate change, highlighting the urgent need to protect this valuable ecosystem.