Geology of La Brea Tar Pits
The La Brea Tar Pits, located near Hollywood, California, contain one of the worlds greatest troves of Pleistocene fossils. Over one million bones have been recovered to so far. Dating from 38,000BC to 8,000 BC, the bones represent more than 420 species of animal, including saber tooth tigers, dire wolves, and 140 species of plants.Leaves and grass blew across the tar, forming a thin top layer identical to the surrounding ground. Unsuspecting animals grazed right out into the stuff. The tar quickly trapped them; their frantic struggles only engulfed them deeper and deeper. Their frenzied cries attracted carnivores, including the saber-toothed cat, which pounced on the helpless victims, only to find itself trapped by the same tar. In all, researchers have identified more than 420 species of animals and about 140 species of plants. Giant mammals ruled the Pleistocene. Imperial mammoths, largest of the elephant tribe, stood 4.5 meters tall and weighed around 6,800 kg. Ground sloths the size of a rhinoceros ambled from tree to tree. Huge camels and bison grazed on the plains. A lion the size of a grizzly bear. Dire wolves were just that - dire: About the siz
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Some common words found in the essay are:
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Approximate Word count = 1677
Approximate Pages = 7 (250 words per page double spaced)
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