Polar Bears

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Last updated 5 years ago

Discipline:
Science
Subject:
Animals
Grade:
9

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Polar Bears

Polar Bears Scientific Name:Ursus maritimus

By:Andrew Scumpieru 1st

ReproducesAdult Polar bears are solitary,but not anti-social. they usually seek mate in late spring or early summer. Male seek out females by following their scent(2 male may fight over a female).Females begin to mate around the age of 4 or 5. Males take longer at the age of 5 to 6,but their prime breeding years are at the age of 10. Cub stay with ther parents until they are 2 years. No Mating rituals.

Requires EnergyA Polar bear is a heterotroph.On occasion, polar bears kill beluga whales and young walruses. When other food is unavailable, polar bears will eat just about any animal they can get, including reindeer, small rodents, seabirds, waterfowl, fish, eggs, vegetation (including kelp), berries, and human garbage. Polar Bears are omnivores

Responds to StimuliPolar Bears use stimuli in the same way as human. For example polar bears can smell a dead. When food is scarce bear will often fight for food. Each polar bears terrriotory depends on how big their hunting grounds. If a Polar bear invades another territory they will fight over it.

Evolve and Adapt The Polar Bear is closely related to the Grizzly Bear. They have evolved to survive extreme colds and to swim in cold waters.The Polar bear is well suited for its envirorment.

Grow And DevelopMales range between 1,200-2,200 lbs. Females 330-650lbs. Males begin to mate at the age of 5 and 6 their prime breeding years are at the age of 10. FEmale begin to mate at the age of 4 and 5.

Composed of cellsComposed of Eukaryotic, and Animal Cells

Maintain HomeostasisThey have a dense fur that has hollow air-filled hairs which insulate the polar bear from the frigid weather conditions. The fur also allows them to absorb the sunlight which also keeps them warm. They also have a layer of blubber or fat that also adds protection, this layer can sometimes be 4 to 5 inches thick. Polar bears gain most of their water by eatingl.

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