1. Presented by Elijah,Liliana,Justus,and Naomi

2. Source
http://www.youtube.com/watch?vv=l
ExgAdcoCA&feature=youtubegdata
player
 Producers are the yellow tundra
flower,willows,sedges,liverwort,wooly lousewort ,and
the spotted knapweed,calliergon giganteum,and
xanthorian.

3.  The biotic components are the arctic fox,grey
fox,wolverine,musk oxen,polar
bear,caribou,narwhal,arctic owl and, collared
lemming.The abiotic components are strong
winds,permafrost,temperature,and nutrients.
Source
http://www.youtube.com/watch?v=gI
ExaA&feature=youtubegdataplayer

5.  The endangered species are arctic fox,caribou,polar
bear ,and grizzly bear.
 The extinct species are the wooly mammoth and the
wooly rhinoceros.
Source
Arctictundraecologyinfo.weebly.com

6. The first level consumers are lemmings and
reindeer.The second level consumers are brown bears
and grizzly bear.
Source
http://www.buzzle.com/articles/tund
ra-food-chain.html’,’preview-
websites

7.  The polar bear is the biggest predator in the arctic
tundra.
http://www.youtube.com/watch?v=p
WPDm0csjL&feature=related

8. I feel so sad that this is ending,but
otherwise bye! I’m still sad…