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Nyah D

on 17 June 2010

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Transcript of Antarctica

Antarctica Emperor Penguin Emperor penguins are excellent swimmers
and can dive up to 500 m. Emperor Penguins
huddle to stay warm and take turns staying in
the center of the group which is the warmest.
In most species it is the mother who takes care of the babies however, in emperor penguins the father will
babysit the egg for up to two months while the mother
goes and gets food. Food Chain Glaciers
There are two kinds of glaciers: continental and valley. Continental glaciers are also known as ice caps, because they're very thick. Valley glaciers are long and narrow, filling the valleys in the mountains. They have different sizes, locations, and shapes. The biggest glacier in the world is 210,000 feet thick. It's called an ice cap. That's much bigger than the Sears Tower, which is ten tons!

The biggest threat towards the krill is the Japanese, who have fishing nets that have very small holes in the nets, that means the Krill can get caught in the nets.
If there aren't enough killer whales to eat the seals and penguins there wouldn't be any krill, for the other animals to eat. Climate change This is what climate change is doing to our
planet . Climate change is the result of
changes in our weather patterns . Because
of greenhouse gas . This is caused by
increases in greenhouse gases in the Earth’s
atmosphere. These gases soak up heat from
the sun but instead of the heat leaving the
Earth’s atmosphere, some of it is trapped, making the
Earth warmer. Which is slowly melting Antarctica.
Leopard Seals Leopard seals are Antarcticas most
deadly family of seals. They are the
only seals to prey on other seal species. And did you
know that no two seals have the same
pattern on their tales? Leopard seals eat penguins.
And they can be seen swimming in the vicinity
of Adelie, Chinstrap, and Gentoo colonies.
They will lie on an icy ledge or
rock , watching out for the first penguin
to dive into the water. Leopard seals will also hunt
fish, squid and krill, and occasionally other seals
like the Crabeater seal.

Wedell Seal These animals are usually found in large groups on the ice
that is connected to the main land and can be easily approached by humans. Most of their time is spent in the Antarctic waters beneath several meters of ice, only emerging through cracks and blowholes to breathe, rest, and have their pups. This environment is relatively safe from other air breathing predators such as Killer whales and Leopard seals. They where hunted in the past for oil, food, and skins.
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