Diposkan oleh Rosmana A.P. Saturday, March 21, 2009

The transformation from "The Pliocene Era" into "The Pleistocene Era" has made changes to the world around 15 million years ago. Many creatures are suffer due to this transformation that cause weathers and climates changes. This condition has forced everything to live in the new condition, Ice Age.

Many plants and animals were extinct at that time because they can't adapted with the new condition that make the temperature on the earth surface become very cold. Almost all of the creature were vanished at that time, although they are the the largest amount of the species variation ever known. Just a few of them can survived. But, this condition has give advantages to some large mammals to develop.

Beside that, this condition has made changes on the form of the earth surface. At that time, the sea surface level are decreased and frozen due the changes at the temperature. Temperature at that time has make almost all of the sea become frozen and create a way for animals to migrate. That's why sometimes, animals that said as an endemic animals in one region may be found in the others region.

This condition has give a way for some mammals to develop and survived. One of the mammals that can survived is Mammoth, a mammal that was said as the ancestor of elephant by some scientist. They are large mammals which have thick fur on their body and two giant tusk. These tusk are functioned as scoops to help them to put off snow and ice that cover their foods. This was known from some scratch that was found on the Mammoth tusk.

Mammoth has been extinct now. Mostly, the Mammoth extinction are caused by a "re-transformation" from the "Pleistocene Era" to the "Holocene Era". This re-transformation has made the temperature back to normal and make the ice melts. So, they become extinct.

Now, many Mammoth fossils are found . These mammoth fossils were found in a condition like when it death. That's may happens because their bodies have been saved in the "natural refrigerator", Siberian Ice field. So, their bodies are "durable". Even, the Mammoth fossils still have furs like when they live, although they have frozen since more than 10 thousand years ago.

Related Post:

1. THE ANCESTOR OF HORSE, "Hyracotherium"

2. "Balaenoptera musculus" A MAMMAL THAT RETURN TO WATER

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