the tundra luis angel lois 2A

1. the tundraluis angel lois 2A

2. Characteristics: • It is a bioma that there characterizes for his frozen subsoil, lack of natural trees, which owes to the stress of the glacial cold; the soils, which are covered of mosses and líquenes, are swampy. It spreads principally over the north hemisphere and in small nearby zones of the north of the Antarctica at the level of the sea.

3. They are zones near to the poles where the winters are extremely cold and the summers are short and fresh, with light rains in summer and snowed the rest of the year. • The temperature remains in an average of -28 °C, for what big extensions turn into marshes in this epoch.

4. The fauna has the need of be protected from the colddepending on his regulation of the temperature:Some animals develop a dense hair and accumulate a great quantity of fat. Others construct galleries in the snow and, finally, some of them migrate in very cold epochs.The poiquilotermos contemplate conditions of resistance to the cold. The insects abound ápteros and aquatic, skimp the reptiles and amphibians.

5. Rabit Penguin Reindeer Wolf Owl

6. The vegetable life meets exposed to low temperatures, which impedes his survival, besides his difficulty to obtain water, since this one is frozen during most of the year. In addition, the inorganic matter is very poor, due to the low decomposition of the organic matter. Flora

7. Pines Shorts plants

8. Descomposers Fungi Fungi

9. A food chain

10. Habitat

11. Biomas Energy

12. Energy pyramid