Polar Bears

Kingdom: Animalia

• Can walk

• it has 4 legs

• it eats food 

• it digests it's own food

• it is multicellular 

• are heterotrophers

• do not have a call wall 

• has live birth

• has a backbone

• has fur 

Phylum: Chordata

• has a notochord

• has a segmented body, muscles

• has 3 germ layers

• has a well developed colem

• has a dorsal

• has a hollow nerve chord

• has a tail projecting beyond the anus

• has pharyngeal pouches

• has a vented heart

• has a complete digestive system

• has an endosketeton

Class: Mammalia

• has 3 middle ear bones

• has hair

• has mammary glands( the malleus, the incus, and the stapes)

• feeds their newborn young milk

• have teeth

• has a lower jaw  

• has a bone structure                                          

• has sweat glands

• are warmblooded

• has a 4 chambedered heart

Order: Carnvora

• has an enlarged upper premolar

• has a first lower molar

• the carnassial pair

• medium sized to small body

• good sense of hearing, vision, and smell

• they are rapid sprinters

• transverse glenoid fossa, sagittalacrest, zygomaticarch, auditory bullae

• have small stomachs

Family: Ursidae

• heavily, powerfully built

• small rounded ears

• small eyes

• short tails

• long rough fur

• plantigrade feet 

• 4 forefeet 

• 4 hind feet

• has 5 digits, each digit ends in a strong claw

• skulls are enlarged 

• good sense of smell

• active during the day

Genius: Ursus

Species: Ursus Maritimus

• polar bears are prdominantly carnivores

• they eat fish, seals, seabirds, and reindeer

• in the summer bears eat berries and vanous, and other vegetation

• they often roam the tundra, but don't travel far from the ocean

References:

 Information taken from Animal Diversity Web, December 13, 2000.  http://animaldiversity.ummz.umich.edu/accounts/ursus/u._maritimus$narrative.html

My picture was found at:

Poem: Polar Bears are so cute

They look like there their in a suite  

I want one really bad