Masters of the Sea
What is the best shape to be in order to move through the water quickly and easily?
Fusiform
(torpedo-shaped)
What color is polar bear fur?
Polar bear fur is clear! because it is hollow the light hits the inside making it look white!
What kind of teeth are walrus tusks
Who has tusks: males, females, or both?
Canine/ Ivory
Both!
How do walruses eat clams
With their powerful suction.
They can also blow water out of their mouths to dig out the clams
Marine mammals have to be good heat-conservers because water draws away heat ___ times faster than air does.
20-25 times
What color is polar bear skin ?
Black
What are the three main groups of pinnipeds?
Seals, Sealions and Walruses
How much weight do walruses gain or loose over a season?
About 1000lbs
A whole polar bear worth of weight.
Ouch! Saltwater and debris in the eyes! What do marine mammals have to solve this problem?
Oily, jellylike mucus from gland at corner of eye lubricates eyes and washes away debris
What does a polar bear star fish mean?
When polar bears test the ice they will spread their legs out as far as possible making a star shape.
What are pinnipeds whiskers called and what do walruses use them for?
Vibrissae
To find food on the ocean floor.
To detect vibrations put out by prey or predators moving through the water.
Walruses can delay implantation by ____ months?
3-4 months!
How do marine mammals get their fresh water?
From the fish they eat
Metabolize fat
Super-filter livers and kidneys produce 1/3 quart of fresh water for every quart of seawater consumed.
What does Oomingmak mean?
Bearded one.
How do pinnipeds keep water out of their nose when diving?
The nostrils are closed at a resting state and forced open at the surface when taking a breath.
How do walruses cool them selves off?
They inflate the blood vessels in their skin to cool themselves off. Turning pink when they are warm.
What are the marine mammals in Rocky Shores and Tundra?
Polar Bear, Seals, Sealions, Otters, Walruses
What is the under coat of a muskox called?
Qiviut
What does pinniped mean?
Fin footed
What do walruses use their tusks for?
To haul out onto ice.