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polar adaptations

Page history last edited by Ms. Edwards 14 years, 7 months ago


 

Arctic Adaptations

 

http://www2.ic.edu/beal/ecobiome.html

 

http://www.runet.edu/~swoodwar/CLASSES/GEOG235/biomes/tundra/tundra.html

 

 

Link

 

 

Polar Bear

 

http://www.washington.edu/burkemuseum/polarbear/polar.php

http://www.polarbearsinternational.org/

 

"In the Arctic winter the predominant background color is white.  The temperature is extremely cold so animals have adapted for survival.  The polar bear looks white and this adaptation protects the bears from being seen by predators.  The polar bear’s top fur is actually transparent, hollow hair shafts.  There is a dense ‘woolly’ undercoat.  (The bears also have a layer of blubber under their skin.)  Air is trapped in the hollow hair shafts and this provides insulation for the bears.  The hairs reflect the light so that the color of the bear looks white.  The hair does not mat so that ice and water can be shaken off easily.  The polar bear’s skin is black.  Black absorbs light wavelengths so that the skin absorbs the warmth from the light and holds it instead of reflecting it away from the skin." 

 

Source:  http://www.utmsi.utexas.edu/staff/dunton/k12/Polar%20Bear%20Adaptations.htm

 

 

 

 

Arctic Fox

 

http://ths.sps.lane.edu/biomes/tundra3/tundra3.html#Animals

http://lsb.syr.edu/projects/cyberzoo/arcticfox.html

 

http://www.csulb.edu/~jmastrop/data1.html

 

http://bioweb.uwlax.edu/bio203/s2008/olson_alex/interactions.htm

http://bioweb.uwlax.edu/bio203/s2008/olson_alex/adaptation.htm

 

 

Puffin

 

http://www.cdli.ca/CITE/puffins.htm

" While it is well known that marine mammals such as whales, seals, and polar bears have thick layers of fat to help keep them warm, northern seabirds such as puffins also rely on internal layers of fat to help them survive frigid Arctic waters. This fat, combined with their external water-repelling and air-trapping coat of feathers, allows seabirds to live in a seemingly harsh environment. (Older students could research other adaptations to the cold, for birds as well as other life forms.) "

 

http://people.eku.edu/ritchisong/554notes3.html    scroll down

 

http://www.geocities.com/EnchantedForest/Cottage/4304/puffin/information.html

 

http://www.athropolis.com/arctic-facts/fact-puffin.htm

 

http://www.audubon.org/bird/boa/F44_G1c.html

 

http://www.abirdshome.com/Audubon/VolVII/00766.html

 

 

 

Porcupine Caribou

http://arcticcircle.uconn.edu/ANWR/anwrcaribou.html

http://home.gwu.edu/~gwg/adventure/wild.html

http://www.presidency.ucsb.edu/ws/index.php?pid=30240

 

http://e360.yale.edu/content/feature.msp?id=2032

http://books.nap.edu/openbook.php?record_id=10639&page=132

 

 

 

 

 

 

Collared Lemming

 

http://www.adfg.alaska.gov/pubs/notebook/smgame/lemmings.php

http://homepage.eircom.net/~snowland/snowanimals.htm

http://www.journals.uchicago.edu/doi/abs/10.1086/381940

http://www.wildlifenews.alaska.gov/index.cfm?adfg=wildlife_news.view_article&articles_id=31&issue_id=10

 

http://www.taiga.net/yourYukon/col407.html

 http://www.britannica.com/bps/browse/alpha/d/60#search=tab~TOPICS%2Cterm~collared%20lemming

 

 

 

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