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Polar Bears

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by

Bavithra Bala

on 15 November 2013

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Transcript of Polar Bears


Polar Bears :)
by Bavithra
Balakumaran

Class: 611

Habitat
Animal Babies
Resources
- Google Images

- http://en.wikipedia.org/wiki/Polar_bear#Hunting_and_diet

- http://www.seaworld.org/animal-info/info-books/polar-bear/diet.htm

- http://www.makalapa.k12.hi.us/Makalapa_Folder/HTML/adapt&survive/ca/pbear.html
Basic Facts
Polar bears features:
Polar bears are usually white.They also have so much fur to keep them warm. They have sharp teeth to catch there preys such as fish, seals, and etc. Overall Polar bears are about 900 to 1,600 lbs which is about 410 to 720 kg which is massive.
Food that Polar bears eat are.......
- Bearded seals
- Fish
- Plants
- Birds
Polar bears commonly eat bearded seals because its easier to catch, they have a good sense of smell to direct where their prey is located. Sometimes if Polar bears cant find any food they will kill beluga whales or even small walruses. If there wasn't any more preys for the Polar bears they will eat fish, seabirds, reindeer, or even small rodents . Polar bears are Carnivores which means that they eat meat.
Interesting Facts
A mother usually gives birth every two to three years and only give birth to about two cubs. Polar bears can swim really good they also live up to 25-30 years which is longer comparing to different kinds of animals. The good things about polar bears are that they can camouflage in the snow which is really protective. The male polar bear can weigh more than 1,400 pounds which is alot comparing to are weight.
Food
Hi guys my name is Bavithra Balakumaran from 611 today I will be talking about Polar Bears.
Defenses
Movement
Obtaining Resources
Response to external stimuli
Cold Environment
Protection

Polar bears live in a cold environment called the Arctic which is closer to the North. Polar bears have fat and fur to keep them warm and cozy in the cold. Polar bears have alot of protection by using their claws to scratch and teeth to bite their predator or prey.
Pictures of Polar Bears
Thank you for listening to my presentation. you may clap now :)
This is a picture of a polar bear catching its prey

Polar bears live in the arctic which is a really cold place. Polar bears change where they live because sometimes the ice will melt into the water which destroys their habitat. If the weather changes through out the year it means that some of their habitat can stay.
Sometimes Polar bears leave their homes just to catch up with their preys such as seals which hibernates.

Structures for survivals
Responses to internal stimuli
Basic needs
Natural protective features
Instincts
Hibernation
The basic needs of polar bears is that they need food like seal because if they didn't have food they wouldn't be healthy. Polar bears also need to know how to swim, if they didn't know how to swim they wouldn't be able to catch their food. They also need a shelter to live in and also oxygen so they can live. Polar bears camouflage in the snow so it really looks like there's nothing there. When a predator is after the polar bear, the polar bear can just camouflage in the snow. The instincts of polar bears are their daily activity cycle which means when they catch food and what they do on their daily basics. The other daily instincts is that they fight their prey and sometimes their predator. Polar bears hibernate in their den. Before it is hibernating time the polar bear has to get their basic needs such as food and stuff and keep it until they time comes when hibernating is fished. Some pregnant female polar bears dig their den in the snow and start to hibernate until the baby is born.
Endangerment issue
Cause of endangerment
Resolution of endangerment of species
The polar bear cubs will usually be born on late November to January.
The mother has to stay with the cub until they grow their fur which takes about months. Cubs fur takes a really long time to grow comparing to the adults.The mother will soon get out in March or even April. When the cubs are born their eyes will be shut until their about one month old. When their eyes open the fur gets a little more thicker. Cubs also have to be in the den for a little more longer so they get use to it in that cold weather. Once they get use to the weather or their homes they will start to learn how to hunt by watching its mother.
The defenses of polar bears are their teeth and claws. They use their claws for fighting their predator or even catch food. Sometimes polar bears run away from their predator and prey so they can be safe. The movement of polar bears are that they walk on four legs. The front back leg and the front leg are really important because the back legs help them swim and the front legs help to doggy paddle. They also have great muscles out of all mammals because they have a narrower neck to catch food which is way more easier for them. Some of the obtaining resources for polar bears are their nose, claws,ears, and etc. They can use their nose for sense of smell, Claws to fight and catch food, and ears so they can hear when their predator is coming.



Classification:
Kingdom: Animalia (Animal)
Phyllum: Chordata (Chordate)
Class: Mammalia (mammal)
Order: Carnivora
Family: Ursidae (bears)
Genus : Ursus
Species: U.maritimus


Somethings that causes endangerment for polar bears is that people now days hunt them just to get their fur for clothing,accessories, and much more. Polar bears also get endangered by people hunting them down for meat. Polar bears are also getting endangered because of our selfish needs. The way we can keep polar bears in our lives is to we should stop making pollution and make their homes melt away and try to make good choices. The resolution of endangerment is that we can also stop hunting for polar bears meat.
BOOO did I scare you
Full transcript