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Polar BearsPolar Bears((Ursus marltimusUrsus marltimus))
By : SydneyBy : SydneyFessendenFessenden
Grade 6Grade 6
Scientific ClassificationScientific Classification
Kingdom Kingdom AnimaliaAnimalia
Phylum Phylum ChordataChordata
ClassClass MammaliaMammalia
FamilyFamily UrsidaeUrsidae
Genus Genus UrsusUrsus
AppearanceAppearance Largest land carnivoreLargest land carnivore Male Polars grow two or three times the Male Polars grow two or three times the
size of a female size of a female Male Polar bears weigh about 650 kg and Male Polar bears weigh about 650 kg and
are about 2.5 to 3 m longare about 2.5 to 3 m long Females weigh about 150 to 250kg and are Females weigh about 150 to 250kg and are
about 1.8 to 2.5 m long female polar bears about 1.8 to 2.5 m long female polar bears can weigh as much as 500kg when can weigh as much as 500kg when pregnantpregnant
Habitat Habitat Polar bears have been reported as Polar bears have been reported as
far north as north pole and as south far north as north pole and as south as Labrador Newfoundlandas Labrador Newfoundland
Polar Bears inhabit artic sea ice, Polar Bears inhabit artic sea ice, water islands and water islands and continental coastlines.continental coastlines.
Where the polar bears live
Life CycleLife Cycle
Live to 25, Females give birth to 1 or Live to 25, Females give birth to 1 or 2 young 2 young
Full grown at about 5 or 6 Full grown at about 5 or 6 Stay with their mother until two and Stay with their mother until two and
a half yearsa half years
DietDiet Polar bears feed on mainly bearded Polar bears feed on mainly bearded
seals, Depending on their location seals, Depending on their location they also feed on harp and hooded they also feed on harp and hooded seals and scavenger on carcasses of seals and scavenger on carcasses of beluga whales, narwhals and beluga whales, narwhals and bowhead whales bowhead whales
In spring berries and some plantsIn spring berries and some plants
PredatorsPredators Humans (hunting)Humans (hunting) Global WarmingGlobal Warming
Impact on the EnvironmentImpact on the Environment They are top of the food chain in their They are top of the food chain in their
region if polar bears don’t exist other region if polar bears don’t exist other populations will rise which would create populations will rise which would create imbalance imbalance
Especially if one species out Especially if one species out competes another with food competes another with food source and knocks that species source and knocks that species outout
How Humans impact Polar How Humans impact Polar BearsBears
Pollution Pollution Global Warming is melting their ice Global Warming is melting their ice
and making it harder to huntand making it harder to hunt Hunting polar bears for food and fur Hunting polar bears for food and fur
for moneyfor money
How can we help the Polar How can we help the Polar Bears Bears
Buy fur made from other productsBuy fur made from other products Not release green house gasses that Not release green house gasses that
will cause global warmingwill cause global warming
Fun FactsFun Facts Female polar bears would rather build their dens Female polar bears would rather build their dens
in "old snow" from previous years rather than in "old snow" from previous years rather than the freshly fallen snow. the freshly fallen snow.
Polar Bears tend to over heat than to get to Polar Bears tend to over heat than to get to coldcold
Polar bears are so strong that one blow from its Polar bears are so strong that one blow from its paw can kill an animalpaw can kill an animal
A polar bear's fur is not white!! It is hollow. The A polar bear's fur is not white!! It is hollow. The fur reflects light. The hollow fur also traps the fur reflects light. The hollow fur also traps the suns heat to help keep it warmsuns heat to help keep it warm
References References www.seaworld.comwww.ask.comwww.ask.comwww.yahoo.cawww.yahoo.ca