What kinds of animals would you see? Which plants live there? By investigating these questions, you are learning about biomes. A biome is a community of plants and animals living together in a certain kind of climate. Scientists have classified regions of the world into different biomes.

2018年10月2日 · This color-coded map shows the anthropogenic biomes across Earth’s terrestrial biosphere, based on the 2008 study. Settlements include the most densely populated urban areas on our planet, as well as agricultural settlements supporting more than …

The tundra is the coldest of the biomes. It also receives low amounts of precipitation, making the tundra similar to a desert. Tundra is found in the regions just below the ice caps of the Arctic, extending across North America, to Europe, and Siberia in Asia.

The tropical rainforest is a hot, moist biome where it rains all year long. It is known for its dense canopies of vegetation that form three different layers. The top layer or canopy contains giant trees that grow to heights of 75 m (about 250 ft) or more.

Botanists use fossil pollen to map the past distribution of forests. These images show pollen from modern boreal tree species. From left to right: pine, aspen birch, and alder. (Micrographs courtesy USDA Pollen Lab)

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When accessing information on the biomes, first you will come to a fact sheet, which is a quick reference about that biome and includes temperature and precipitation graphs for a city located in that biome. To learn how you can enhance Mission: Biomes, see Extension Questions and Extension Ideas.

The grasses die back to their roots annually and the soil and the sod protect the roots and the new buds from the cold of winter or dry conditions. A few trees may be found in this biome along the streams, but not many due to the lack of rainfall.

Mission: Biomes. Have you ever wondered what it would be like to live in a different part of the world? What would the weather be like? What kinds of animals would you see? Which plants live there? By investigating these questions, you are learning …

Desert biomes are the driest of all the biomes. In fact, the most important characteristic of a desert is that it receives very little rainfall. Most deserts receive less than 300 mm a year compared to rainforests, which receive over 2,000 mm.