(Phys.org)—The Tree of Life is a beautiful and elegant metaphor that has proven deceptively difficult to reconstruct. The main culprit may be the overwhelming reliance on so-called concatenation methods, which combine different ...
A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of ...
Archaeology
Feb 9, 2009
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Modern Eurasian sheep predominantly belong to only two so-called genetic matrilineages inherited through the ewes, so previous research has assumed that genetic diversity must already have decreased rapidly in the early stages ...
Archaeology
Apr 15, 2024
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109
New research in PLOS ONE uncovers an important discovery in the study of marine mammal health by being the first study to detect Otariid gammaherpesvirus 1 (OtGHV1) in free-ranging South American pinnipeds, as well as a novel ...
Plants & Animals
Mar 6, 2024
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9
Of all the organisms that photosynthesize, land plants have the most complex bodies. How did this morphology emerge? A team of scientists led by the University of Göttingen has taken a deep dive into the evolutionary history ...
Plants & Animals
Jan 23, 2024
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102
To clarify the early evolutionary history of Cicadoidea fossils, the phylogenetic relationships between Mesozoic fossils and extant Cicadoidea, the macroevolution of body structure adaptations, and their relationship with ...
Evolution
Jan 18, 2024
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113
Stilbenes are natural compounds found in various plants that have shown potential health benefits for humans, with a unique chemical structure consisting of two aromatic rings linked by a double bond. While resveratrol, found ...
Biochemistry
Jul 20, 2023
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3
Shiitake mushrooms get their name from the same place they often source their nutrients—the shii tree, a Japanese relative of the oak. These fungi are part of the genus Lentinula, which have evolved to decompose hardwoods ...
Plants & Animals
Mar 1, 2023
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175
New insight on the origins and early evolution of echinoids, a group that includes the sea urchins, the sand dollars, and their relatives, has been published today in the journal eLife.
Evolution
Mar 22, 2022
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482
The genus Ficus (figs) and their agaonid pollinating fig wasps are a classic example of coevolution. It represents perhaps the most extreme and ancient (about 75 million years) obligate pollination mutualism known.
Plants & Animals
Feb 3, 2021
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