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by Laurenh31
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Animals:animals in the tundra all have special adpatations in order to survive in the harsh climate. Almost all of them have very thick fur, or a layer of fat. The animals include polar bears, artic foxes, caribou, ermine, grizzley bears, snowy owls, and many more.

Plants: In the tundra, there aren't a lot of plants. This is because the soil there is covered in permafrost. Permafrost is soil that is permantly frozen. There are no trees in the tundra, but there are over 400 different kinds of flowers. Some plants are Artic Moss, Artic Willow, Caribou Moss, Bearberry, and Labrador Tea.

Location: Tundras are located in Greenland, Alaska, Northern Canada, Northern Russia, and Northern Scandinavia. Almost all tundras are located in the Northern Hemisphere, where it is very close to the northpole and the artic circle.

Climate: The climate in the tundra is very harsh. Its main seasons are winter and summer, spring and fall are only shortperiods of tie between. During summer, the sun shines almost all day. During winter, the sun rarely rises. The avergae temperature in the summer ranges from 37 degrees to -60 degrees fahrenheit. it is very windy, and only recieves 6-10 inches of rain a year, which is mainly snow.

Threats:There are many threats to the tundra biome, which are mainly caused by humans. The main one is Global Warming. The warmer the earth gets, the more the tundra melts. Recent studies show that the tundra will be able to support trees, meaning the soil is unfreezing gradually. The soil is now covered in permafrost, permantetly frozen, and it cannot support much plant life. Global warming will decrease the amount of tundras, and may elimnate them forever. Another issue is air pollution. The air pollution causes smog, and contaminates lichen, one of the main food sources for animals. This will reduce the amount of animals in the tundra, which has an everlasting effect on the animals all together. Humans affect the permafrost in the tundra. When people make buildings on top of the soil, it causes the soil to unfreeze a little bit because of the pressure of the buildings.

Food Chain of the Tundra:

One exmaple starts with lichens, the producer. It makes its own food uses photosynthesis.The lichen gets eaten by the lemming, the first level consumer. The lemming gets eaten by the artic fox, the secondary consumer. Then the artic fox gets eaten by the polar bear, the tertiary consumer. When the polar bear dies, decomposers, such as bacteria and fungi, break it down and return the nutrients to the environment.

By Lauren Hanson

KEY:Red: adaptations animals have to survive. Yellow: vocabulary words Orange: (on map) where the tundras are locatedPurple: How the aboitic factors affect the biotic factors

Tundra Paragraph


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