The powerpoint talks about the three tipes of existing tundras, the animals and plants that live there and the consequences that the global warming has on it.

1. The Tundra Biome… The tundra is a biome that is caracterized by his extremed temperatures. there are three tipes of tundras: artic tundra, antarctic tundra and the alpine tundra. The artic and antarctic tundra have a dark and cold winter, it´s average tamperatures round -50 ºC to -28 ºC on Summer the temperature rise to 12 ºC but often decreases to 3 ºC. On the alpine tundra has an average winter temperature with -3 ºC to 0 ºC and the warmer seasons have temperatures rounding 10 ºC to 50 ºC. All three tipes of tundra have a low annual precepitation rate.

4. The Antarctic Tundra is also a frozen land like the artic one but has diferent animals living there like . Sea mammals and sea birds, including seals and penguins, inhabit areas near the shore, and some small mammals, like rabbits and cats, have been introduced by humans to some of the subantarctic islands. (Antarctic Tundra) Seals Penguins Rabbits