Research led by the Milner Center for Evolution at the University of Bath looking at the evolution of terrestrial orchid species has found that global cooling of the climate appears to be the major driving factor in their ...
Plants & Animals
Jul 10, 2023
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13
Compared to allopolyploid speciation, there are fewer cases of homoploid hybrid speciation in plants. Although transient homoploid hybridization events have been detected in many plant genera, solid evidence from genomic ...
Evolution
Jun 28, 2023
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1
To unveil the previously elusive behavior and stability of complex metal compounds found in aqueous solutions, researchers at the University of Vienna have created a speciation atlas now published in Science Advances. This ...
Analytical Chemistry
Jun 22, 2023
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102
Speciation is one of the core issues in evolutionary biology. Sympatric speciation is the evolution of reproductive isolation without geographic barriers in which new species arise from a single ancestral population. However, ...
Evolution
Jan 16, 2023
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14
When it comes to the biological imperatives of survival and reproduction, nature often finds a way—sometimes more than one way. For a species of flycatcher in the remote Solomon Islands, scientists have so far found at ...
Plants & Animals
Nov 1, 2022
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54
The deep sea contains more than 90% of the water in our oceans, but only about a third of all fish species. Scientists have long thought the explanation for this was intuitive—shallow ocean waters are warm and full of resources, ...
Plants & Animals
Oct 31, 2022
1
277
A comprehensive new genetic and statistical study from researchers at the University of Kansas reveals that two groups of scrub jays—one in Mexico and one in Texas—deserve status as independent species. The paper, appearing ...
Evolution
Jul 13, 2022
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343
Colorful Heliconius butterflies have a wide variety of wing patterns and an amazing ability to mimic the appearance of other butterfly species. They also split into many species during a short timescale, which has made them ...
Plants & Animals
Nov 6, 2019
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0
The mechanisms by which new species arise are still not fully understood. What are the evolutionary processes that drive the evolution of new species? Evolutionary biologists traditionally assumed that geographical barriers ...
Evolution
Aug 14, 2019
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13
Scientists look to fossils and evolutionary trees to help determine the rate of evolution – albeit with conflicting results. A new model by ETH researchers has helped to resolve these contradictions.
Evolution
Dec 18, 2018
0
135
