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Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
Sydney thomasen polar bears
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Sydney thomasen polar bears

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  • 1. Polar Bears ( Ursus marltimus ) By : Sydney Fessenden Grade 6
  • 2. Scientific Classification Kingdom Animalia Phylum Chordata Class Mammalia Family Ursidae Genus Ursus
  • 3. Appearance <ul><li>Largest land carnivore </li></ul><ul><li>Male Polars grow two or three times the size of a female </li></ul><ul><li>Male Polar bears weigh about 650 kg and are about 2.5 to 3 m long </li></ul><ul><li>Females weigh about 150 to 250kg and are about 1.8 to 2.5 m long female polar bears can weigh as much as 500kg when pregnant </li></ul>
  • 4. Habitat <ul><li>Polar bears have been reported as far north as north pole and as south as Labrador Newfoundland </li></ul><ul><li>Polar Bears inhabit artic sea ice, </li></ul><ul><li>water islands and </li></ul><ul><li>continental coastlines. </li></ul>Where the polar bears live
  • 5. Life Cycle <ul><li>Live to 25, Females give birth to 1 or 2 young </li></ul><ul><li>Full grown at about 5 or 6 </li></ul><ul><li>Stay with their mother until two and a half years </li></ul>
  • 6. Diet <ul><li>Polar bears feed on mainly bearded seals, Depending on their location they also feed on harp and hooded seals and scavenger on carcasses of beluga whales, narwhals and bowhead whales </li></ul><ul><li>In spring berries and some plants </li></ul>
  • 7. Predators <ul><li>Humans (hunting) </li></ul><ul><li>Global Warming </li></ul>
  • 8. Impact on the Environment <ul><li>They are top of the food chain in their region if polar bears don’t exist other populations will rise which would create imbalance </li></ul><ul><li>Especially if one species out </li></ul><ul><li>competes another with food </li></ul><ul><li>source and knocks that species </li></ul><ul><li>out </li></ul>
  • 9. How Humans impact Polar Bears <ul><li>Pollution </li></ul><ul><li>Global Warming is melting their ice and making it harder to hunt </li></ul><ul><li>Hunting polar bears for food and fur for money </li></ul>
  • 10. How can we help the Polar Bears <ul><li>Buy fur made from other products </li></ul><ul><li>Not release green house gasses that will cause global warming </li></ul>
  • 11. Fun Facts <ul><li>Female polar bears would rather build their dens in &quot;old snow&quot; from previous years rather than the freshly fallen snow. </li></ul><ul><li>Polar Bears tend to over heat than to get to cold </li></ul><ul><li>Polar bears are so strong that one blow from its paw can kill an animal </li></ul><ul><li>A polar bear's fur is not white!!  It is hollow.  The fur reflects light.  The hollow fur also traps the suns heat to help keep it warm </li></ul>
  • 12. References <ul><li>www.seaworld.com </li></ul><ul><li>www.ask.com </li></ul><ul><li>www.yahoo.ca </li></ul>
  • 13. Thanks For Watching

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