When a warmer climate spread across the globe, the woolly beasts were in deep trouble. Melting snow together with predation by humans made the animals extinct. Their numbers dwindled to zero in 6,000 years. A strange thing happened during this time. The species tried to adapt and threw up countless mutations. Most were destructive. | ▶ optimum not news. | mutations killed animals ◀ |
The long dark coat, so good as insulation from the cold, became like satin and light could shine through it. They got severe irritable bowel syndrome because they loss their sense of smell. It stopped them from mating because of protein changes in the creature's urine.
| ▶ | australian| mutations ◀ |
These changes are now known from two specimens in Siberia. One on the mainland and another on a rock in the ocean. It was the slightly later Wrangel Island specimen that had an over representation of genetic mutations. Those who want to save threatened species must now be careful. Inbreeding could bring about the mass genetic alterations and that kills off endangered animals. | ▶ | not. | ◀ | ▶ | not | ◀ |
▶ Changes in their genetic makeup means mammoth no longer exists. stories and news| mammoth to died of mutations latest woolly mammoths classic nes science died stock species mammoth on scientists genes pool gene genomic dead details origin million mammoth in died in limbs eyes concept study animal wiped meltdown small comparison mammoth as died be mutations kind genome lived isolation dna nature news ancient genomes mammoth or died at mutations extinction related north dying http://adventure--australia.blogspot.com.au/2008/07/man-robs-store-with-florescent-light.html history researchers mammoth it died en mutations research mammoths migration investigation defence progress elephant ah mammoth did died oh mutations populations important natural population medical program molecules microscope disparities gender global human plant california elephants arctic fossils brink stem-cell mammals change range competition reduced translucent coats proteins urinary sequences mammoths | travel news stories | ◀ |
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