Tundras are the coldest of all the biomes, tundras have frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons. Tundras don't have trees, they're just mainly a landscape. As for tropical rain forests they are the home to more worldwide species than all other biomes added together. Rainforests has high on rainfall, which is often results in poor soils due to leaching of soluble nutrients. Rainforest is humid, and has tall, broad-leaved evergreen trees, which is the dominant plants, forming a leafy canopy over the forest floor. The temperature ranges from 21°C to 45°C and 125 to 660 cm of rainfall yearly.
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