Orca whale also known as killer whale, you can reach more at "
Boy looking through glass at an orca Whale at SeaWorld Sandiego, California"
Antarctica
Antarctica, on average, is the coldest, driest, and windiest continent, and has the highest average
elevation of all the continents.
Antarctica is considered a
desert, with annual
precipitation of only 200 mm (8 inches) along the coast and far less inland.
The temperature in Antarctica has reached −89 °C (−129 °F). There are no permanent human residents, but anywhere from 1,000 to 5,000 people reside throughout the year at the research stations scattered across the continent. Only cold-adapted organisms survive there, including many types of
algae,
animals (for example
mites,
nematodes,
penguins,
seals and
tardigrades),
bacteria,
fungi,
plants, and
protista. Vegetation where it occurs is
tundra.
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The snow surface at Dome C Station is typical of most of the continent's surface. |
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