write a short on the habitation of antartica
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Many animals live in and visit Antarctica and the islands around it. Antarctic habitats include pack ice, mountains and the surrounding seas.
Plants
Few land plants grow in Antarctica. This is because Antarctica does not have much moisture (water), sunlight, good soil, or a warm temperature. Plants usually only grow for a few weeks in the summer. However, moss, lichen and algae do grow. The most important organisms in Antarctica are the plankton which grow in the ocean.
Animals
One important source of food in the Antarctic is the krill, which is a general term for the small shrimp-like marine crustaceans. Krill are near the bottom of the food chain: they feed on phytoplankton and to a lesser extent zooplankton. Krill are a food form suitable for the larger animals for whom krill makes up the largest part of their diet. Whales, penguins, seals, and even some of the birds that live in Antarctica, all depend on krill.
Whales are the largest animals in the ocean, and in Antarctica. They are mammals, not fish. That means that they breathe air and do not lay eggs. Many different kinds of whales live in the oceans around Antarctica. Whalers have hunted whales for hundreds of years, for meat and blubber. Nowadays most whaling is done in the Antarctic area.
Penguins only live south of the equator. Several different kinds live in and around Antarctica. The biggest ones can stand nearly 4 feet (1.2m) tall and can weigh almost 100 pounds (40 kg). The smallest kinds are only about one foot (30 cm) tall. Penguins are large birds that swim very well but cannot fly. They have black backs and wings with white fronts. Their feathers are very tightly packed and make a thick cover. They also have a layer of woolly down under the feathers. The feathers themselves are coated with a type of oil that makes them waterproof. A thick layer of blubber also keeps them warm. Penguins eat fish and are at home in the ocean. They come up on the land or ice to lay their eggs and raise the chicks. They nest together in a huge group.
Many animals live in and visit Antarctica and the islands around it. Antarctic habitats include pack ice, mountains and the surrounding seas.
Plants
Few land plants grow in Antarctica. This is because Antarctica does not have much moisture (water), sunlight, good soil, or a warm temperature. Plants usually only grow for a few weeks in the summer. However, moss, lichen and algae do grow. The most important organisms in Antarctica are the plankton which grow in the ocean.
Animals
One important source of food in the Antarctic is the krill, which is a general term for the small shrimp-like marine crustaceans. Krill are near the bottom of the food chain: they feed on phytoplankton and to a lesser extent zooplankton. Krill are a food form suitable for the larger animals for whom krill makes up the largest part of their diet. Whales, penguins, seals, and even some of the birds that live in Antarctica, all depend on krill.
Whales are the largest animals in the ocean, and in Antarctica. They are mammals, not fish. That means that they breathe air and do not lay eggs. Many different kinds of whales live in the oceans around Antarctica. Whalers have hunted whales for hundreds of years, for meat and blubber. Nowadays most whaling is done in the Antarctic area.
Penguins only live south of the equator. Several different kinds live in and around Antarctica. The biggest ones can stand nearly 4 feet (1.2m) tall and can weigh almost 100 pounds (40 kg). The smallest kinds are only about one foot (30 cm) tall. Penguins are large birds that swim very well but cannot fly. They have black backs and wings with white fronts. Their feathers are very tightly packed and make a thick cover. They also have a layer of woolly down under the feathers. The feathers themselves are coated with a type of oil that makes them waterproof. A thick layer of blubber also keeps them warm. Penguins eat fish and are at home in the ocean. They come up on the land or ice to lay their eggs and raise the chicks. They nest together in a huge group.
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Antarctica has always been the only continent with no permanent human habitation, due to the extreme environmental conditions there.
- Due to the extreme unforgiving environmental conditions and lack of natural vegetation there, Antarctica remains totally human free.
- Though there are camps and sites where scientists and geologists continue their researches.
- It plays a prominent role in influencing the global climate. It maintains the Earth's heat balance.
- It is considered to be a desert due to the fact it receives very low precipitation, thus can be called as a snow desert.
Since millions of years it remains completely free of humans, though if the current climatic conditions and global warming remain prevalent, it can become habitable within two centuries.
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