Monday, August 30, 2010

tundra animals


Let us learn about tundra animals

Tundra is described as a place where levels of subsoil beneath the surface of the earth are permanently frozen. This soil is called as permafrost. The level of earth above the permafrost will melt (thaw) in the short summer consenting plants to grow. This level will then freeze again in the winter & most of the plants will go latent. The permafrost makes it difficult or impossible for trees to root down into the ground it is 1 of the characteristics of tundra is that it is often treeless and the land appears barren

Animals that live in the tundra region have special adaptations that allow them to survive the extreme temperatures & conditions that are present in tundra. The best example of an animal with special adaptations is the “Arctic Fox”. The Arctic Fox has short ears & a short, round body with a thick coat to minimize the amount of skin exposed to the frigid air. There is a less amount of biodiversity in the tundra therefore fluctuations in 1 animal population will effect populations in another. The best example of this would be that if in a certain year there is a lower amount of Lemmings than usual, hence the population of Snowy Owls, who feed mostly on Lemmings, will also decrease


In our next blog we shall learn about balance chemical equations calculator I hope the above explanation was useful.Keep reading and leave your comments.

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