Results 241 to 250 of about 2,895,342 (271)

Mosaic Evolution of the Mammalian Auditory Periphery

2013
The classical mammalian auditory periphery, i.e., the type of middle ear and coiled cochlea seen in modern therian mammals, did not arise as one unit and did not arise in all mammals. It is also not the only kind of auditory periphery seen in modern mammals.
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The Strange Story of Mosaic Evolution

Mosaic evolution, whereby transitional forms display a mixture of primitive and derived features, is nowadays recognized as a ubiquitous pattern of macroevolu- tionary change. Less known is that this expression was coined by Gavin de Beer in 1954. I move from the philological symptom of the frequent oblivion of de Beer ’ s authorship of this notion to ...
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Mosaic evolution of subterranean mammals

1999
Abstract Life underground has evolved among different groups of mammals all over the globe. It is an extraordinary environment - with relatively constant temperature, few opportunities to meet organisms other than the immediate family, and a completely different sensory environment.
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Fossils and the Mosaic Nature of Human Evolution

Science, 1975
These new fossils, dates, analyses, and interpretations lead to confirmation and refinement of the mosaic scheme of human evolution as proposed by early evolutionists such as Lamarck, Haeckel, and Darwin. Evolutionary changes in the body adapting our ancestors to bipedalism occurred before 3 million years ago, judging by the completeness of the ...
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The coordinated structure of mosaic brain evolution

Behavioral and Brain Sciences, 2001
The opposition set up between co-ordinated and mosaic brain evolution distracts from the fact that the two go hand-in-hand. Here and elsewhere (Barton & Harvey 2000), I show that the patterns of co- ordinated evolutionary change among brain structures fit a mosaic evolution model.
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Mosaic evolution of the neocortex

Behavioral and Brain Sciences, 1993
Dean Falk, Bruce Dudek
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Mosaic Evolution

2022
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[Somatic Mosaicism and Clonal Evolution].

Gan to kagaku ryoho. Cancer & chemotherapy
Cancer originates from a single ancestor cell that acquires driver mutations, which confer a selective growth advantage, followed by the acquisition of additional driver mutations by descendant cells. Recently, it has become evident that somatic mutations accumulate even in normal cells with aging; exposure to environmental factors such as alcohol ...
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Mosaics of Climatic Stress Across Species' Ranges: Tradeoffs Cause Adaptive Evolution to Limits of Climatic Tolerance

Philosophical Transactions of the Royal Society B: Biological Sciences, 2022
Michael Singer, Camille Parmesan
exaly  

Evolution and Phylogeny of Soybean Mosaic Virus Based on 143 Complete Genomes

International Journal of Molecular Sciences, 2023
Jin-Sung Hong, Hoseong Choi, Yeonhwa Jo
exaly