The Metro Lines run: 1  Red: serves the northern part of the city. Main stations are: Union Station, Metro Center, Chinatown and Dupont Circle. 2  Blue: runs west-east through the city and then south. Main stations are: Capitol South, Smithsonian, McPhearson Square (White House), Arlington National Cemetery, National Airport.
Climate In the arctic tundra there are two seasons: winter and summer. In the summer, the sun is present almost 24 hours a day. This sun however, only warms the tundra up to a range of about 3Â°C to 12Â°C.In the winter the opposite light conditions are present.There are several weeks where the sun never rises.limate In the arctic tundra there are two seasons: winter and summer. In the summer, the sun is present almost 24 hours a day. This sun however, only warms the tundra up to a range of about 3Â°C to 12Â°C. In the winter the opposite light conditions are present. There are several weeks where the sun never rises.
many lichens mosses and small shrubs flourish in the arctic tundra the plants that live in the harsh permafrost soil usually adapt to the weather by being short and grouped together to resist winds and to be protected the growing season in the tundra is short and lasts up to 60 daystundra plants get their energy from the sun through photosynthesis like all other plants but have adapted to low temperatures and low light intensities compared to plants in other biomes they use a minimal amount of energyecause animals of the tundra are generally migratory this biome s population is constantly changing resident animals have to change what they are hunting and eating as the seasons change the food chain in the arctic tundra consists of predators such as owls foxes wolves and polar bears at the top of the chain