So much for survival of the fittest – diversity is the key: a team of researchers from the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) has succeeded in demonstrating experimentally that genetic diversity ...
Cell & Microbiology
May 23, 2018
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53
(Phys.org)—The dominant factors in the rise and fall of the diversity of life on Earth has been a point of debate for scientists nearly as long as they have studied the processes of evolution.
Earth Sciences
Jan 10, 2013
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Despite inbreeding and limited genetic diversity, the Svalbard reindeer has managed to adapt to extreme living conditions in record time—what researchers call a genetic paradox. But can they survive climate change?
Plants & Animals
Sep 26, 2023
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46
(Phys.org)—One of the great problems of evolution is to understand how the major features of organisms have changed over great swaths of time. How did limbs evolve from fins? How did bird feathers arise from scales?
Evolution
Feb 7, 2013
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The extraordinary diversity of insects and fishes, the most species-rich invertebrate and vertebrate groups in the animal kingdom, is partly due to the origin of venom, a new study of their evolution has revealed.
Plants & Animals
Aug 5, 2021
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522
Sponges are an important animal for marine and freshwater ecology and represent a rich animal diversity found throughout the world, from tropical climates to the arctic poles. For evolutionary biologists, they also present ...
Evolution
Feb 4, 2014
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Change has been the norm for Wisconsin's forests over the last 50 years, and the next 50 are unlikely to pass quietly.
Ecology
Oct 19, 2010
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Researchers at Sweden's KTH Royal Institute of Technology say they have found further proof that the wolf ancestors of today's domesticated dogs can be traced to southern East Asia -- findings that run counter to theories ...
Plants & Animals
Nov 23, 2011
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1
Genetic diversity arises through the interplay of mutation, selection and genetic drift. In most scientific models, mutants have a fitness value which remains constant throughout. Based on this value, they compete with other ...
Evolution
Jun 28, 2012
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Bacteria from fecal material -- in particular, dog fecal material -- may constitute the dominant source of airborne bacteria in Cleveland's and Detroit's wintertime air, says a new University of Colorado Boulder study.
Cell & Microbiology
Aug 18, 2011
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