Results 161 to 170 of about 94,466 (209)
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2015
The origin of fossils After an animal dies, its behavior immediately stops. Of course! Thus, behavior is the first component of the phenotype to be lost. After this, DNA and soft tissues are also rapidly lost. Large and small animals may eat or scavenge the carcass, dismembering the body, stripping away flesh, and breaking open bones that are rich in
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The origin of fossils After an animal dies, its behavior immediately stops. Of course! Thus, behavior is the first component of the phenotype to be lost. After this, DNA and soft tissues are also rapidly lost. Large and small animals may eat or scavenge the carcass, dismembering the body, stripping away flesh, and breaking open bones that are rich in
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Biological Reviews, 2010
Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greater diversity in the Mesozoic, with many of the modern families present in that era, and with clearer evidence of the evolutionary history of the group.
Paul A, Selden, David, Penney
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Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greater diversity in the Mesozoic, with many of the modern families present in that era, and with clearer evidence of the evolutionary history of the group.
Paul A, Selden, David, Penney
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Scientific American, 2005
This article comments on the persistence of the creationism argument despite the multifarious evidence supporting evolution. Nineteenth-century English social scientist Herbert Spencer made this prescient observation: "Those who cavalierly reject the Theory of Evolution, as not adequately supported by facts, seem quite to forget that their own theory ...
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This article comments on the persistence of the creationism argument despite the multifarious evidence supporting evolution. Nineteenth-century English social scientist Herbert Spencer made this prescient observation: "Those who cavalierly reject the Theory of Evolution, as not adequately supported by facts, seem quite to forget that their own theory ...
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Comparative Biochemistry and Physiology, 1967
Abstract 1. 1. Lipid components such as fatty acid esters, cholesterol esters, free fatty acids and phospholipids (phosphatidyl ethanolamine and lecithin) were found in well-preserved fossil bones of Pleistocene age. 2. 2. Half the older specimens (to Paleozoic) contained fatty acids and two still retained phosphatidyl ethanolamine. 3. 3.
S K, Das, A R, Doberenz, R W, Wyckoff
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Abstract 1. 1. Lipid components such as fatty acid esters, cholesterol esters, free fatty acids and phospholipids (phosphatidyl ethanolamine and lecithin) were found in well-preserved fossil bones of Pleistocene age. 2. 2. Half the older specimens (to Paleozoic) contained fatty acids and two still retained phosphatidyl ethanolamine. 3. 3.
S K, Das, A R, Doberenz, R W, Wyckoff
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Nature Reviews Microbiology, 2015
This month's Genome Watch examines how the increased availability of mammalian genomes provides new insights into the interactions of endogenous retroviruses with other viruses and various hosts.
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This month's Genome Watch examines how the increased availability of mammalian genomes provides new insights into the interactions of endogenous retroviruses with other viruses and various hosts.
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The impact of fossil fuel divestments and energy transitions on mutual funds performance
Technological Forecasting and Social Change, 2022Chao Liang +2 more
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