Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Polar Bears Cecilia Mak Jacqueline Wong Raymond Yang Helen Li Period 3, Life Science MS. KWON Classification KINGDOM: Animalia PHYLUM: Chordata CLASS: Mammalia ORDER: Carnivora FAMILY: Ursidae GENUS SPECIES: Ursus (bear) Maritimus (sea) Physical Characteristics Male polar bears weigh about 350 to more than 650 kg while females weigh about 150 to 250 kg Have more slender bodies and longer necks/heads than other bears Hind limbs are longer than forelimbs Have long claws for tearing apart prey Have large, furry feet for walking on snow and ice Skin is black which enables bear to absorb sunlight energy to warm its body. Behavioral Characteristics Most active the first third of the day and least active the rest of the day Sleeps and rests when not hunting Mothers frequently touch and groom cubs Mates several times Aggression occurs during breeding season and when food is stolen Play fighting can leave scars and broken teeth Food Source Eat mainly seals Also eat reindeer, fish, small rodents, ducks, eggs, and birds Hunt for food Need 2 kg of food per day to survive Uses their claws and teeth Skin and fat are eaten first, then meat Habitat Live in the entire circumpolar Arctic region Adapted to live in water and on land. Are excellent swimmers and can withstand its cold environment Over 40% of all polar bears living today live in Northern Canada Stay in ice packs of their environment because it allows them to stay near food source When summer comes, they swim many miles to remain on ice Adaptations Have tiny ears and tails which help cut down on heat loss White fur camouflages them Blubber is 11 cm. thick to keep them worm Massive paws help them swim, walk on thin ice, have better traction Sense of smell can allow them to smell a seal at 20 miles away Eyesight is adapted for underwater Interesting Facts They sometimes go into towns and villages Break into buildings to find food Advertises coke and ice cream Are not shot, but caught and taken back to the wild Are endangered Countries have laws to protect polar bears, but hunters still kill them Citations http://www.seaworld.org/animal-info/animalbytes/animalia/eumetazoa/coelomates/deuterostomes/ chordata/craniata/mammalia/carnivora/polar-bear.htm http://www.seaworld.org/infobooks/PolarBears/home.h tml http://endangeredpolarbear.com/polar_bear_habitat.ht m http://www.saskschools.ca/~gregory/arctic/pbear.html http://www.seaworld.org/animal-info/info-books/polarbear/behavior.htm http://www.seaworld.org/animal-info/info-books/polarbear/physical-characteristics.htm