Bibliography
NASA Earth Observatory - http://earthobservatory.nasa.gov/Experiments/Biome/biotundra.php
UCMP Authors -
http://www.ucmp.berkeley.edu/glossary/gloss5/biome/tundra.html
Blue Planet Biomes -
http://www.blueplanetbiomes.org/tundra_animal_page.htm
Weebly Pictures -
http://www.weebly.com
Wikispaces Pictures -
http://biologyprojectwiki.wikispaces.com/Tundra+Organisms+Period+2
Google Images -
https://www.google.com/imghp?hl=en&tab=wi
What is permafrost? -
http://animals.about.com/od/tundra/f/permafrost.htm
UCMP Authors -
http://www.ucmp.berkeley.edu/glossary/gloss5/biome/tundra.html
Blue Planet Biomes -
http://www.blueplanetbiomes.org/tundra_animal_page.htm
Weebly Pictures -
http://www.weebly.com
Wikispaces Pictures -
http://biologyprojectwiki.wikispaces.com/Tundra+Organisms+Period+2
Google Images -
https://www.google.com/imghp?hl=en&tab=wi
What is permafrost? -
http://animals.about.com/od/tundra/f/permafrost.htm