Results 361 to 370 of about 486,715 (397)
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The lipids in fossils

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.
Salil K Das   +2 more
openaire   +3 more sources

Fossil Vertebrates

2019
The Nigerian Field, 41 (2), 55 ...
Halstead, Lambert B, Middleton, Jennifer
openaire   +1 more source

Fossil Department

Rocks & Minerals, 1955
openaire   +1 more source

Fossil Department

Rocks & Minerals, 1967
openaire   +1 more source

Fossils Here, Fossils There

Science Activities: Classroom Projects and Curriculum Ideas, 1978
openaire   +1 more source

Questioning the evidence for Earth's oldest fossils

Nature, 2002
M. Brasier   +7 more
semanticscholar   +1 more source

Fossil Department

Rocks & Minerals, 1965
openaire   +1 more source

Names for trace fossils: a uniform approach

Lethaia, 2006
Alfred Uchman   +2 more
exaly  

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