(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in the environment.
Biologists have been contemplating evolutionary change since Charles Darwin first explained it.
Evolution
Oct 20, 2016
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1865
(Phys.org)—A trio of researchers with the University of St. Andrews in the U.K. has found what appears to be an evolutionary advantage for same-sex sexual behavior in fruit flies. In their paper published in Proceedings ...
Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows.
Plants & Animals
Jun 8, 2021
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399
Why do some animals have extravagant, showy ornaments—think elk and deer antlers, peacock feathers and horns on dung beetles—that can be a liability to survival? Charles Darwin couldn't figure it out, but now a Northwestern ...
Evolution
Nov 30, 2016
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1039
Most wild animals show a suite of predator avoidance behaviors such as vigilance, freezing, and fleeing. But these are quickly reduced after the animals come into contact with humans through captivity, domestication, or urbanization, ...
Plants & Animals
Sep 22, 2020
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1131
In research published in Science, a Stanford-led international team used a new analytic technique to map recent evolution. The technique relies exclusively on the DNA sequences of modern humans, yet it can reveal rapid ...
Evolution
Oct 14, 2016
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714
Long believed to be a uniquely human trait crucial for communication, visible white sclera—the "whites of the eye"—occur more commonly in chimpanzees and other mammals than previously reported, finds a new study from ...
Plants & Animals
Feb 6, 2023
1
407
Evolution may be more intelligent than we thought, according to a University of Southampton professor.
Evolution
Dec 18, 2015
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546
Eyes are the window between an animal and its environment, and if your environment has changed as much as a whale's has over the last 50 million years, they tell an intriguing story about your evolutionary history. As marine ...
Evolution
Feb 20, 2016
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1068
