New international research demonstrates global-scale patterns in how El Ni o-Southern Oscillation (ENSO) influences mangrove growth and degradation. Previously, impacts had only been documented at ...

While dogs and cats are genetically unrelated, breeding for certain features is making some dog and cat breeds look more and more alike. Preferred features include a flat face and huge eyes, which is ...

Sperm cell shape differs dramatically among species, and in some cases differences in sperm shape and/or size can help new species evolve. That is, if the sperm and egg are different enough between ...

Discover the science behind natural selection and evolution. Get the facts on survival of the fittest with ExtremeTech’s comprehensive breakdown.

especially the variations that define speciation, or the differences between species. “It turns out that there’s a large region on the center of the X chromosome where most of the genetic ...

Kirsten M. Parris, Meah Velik-Lord, Joanne M. A. North Barrass, A. N. 1985. The effects of highway traffic noise on the phonotactic and associated reproductive ...

2013), which is responsible for more variation in diversification rates than the trait ... “Detecting Hidden Diversification Shifts in Models of Trait-Dependent Speciation and Extinction.” Systematic ...

among all individual birds suggesting that most retrovirus-host interactions pre-date host speciation. They also found considerable ERV variation across different populations of Darwin's finches ...

Paralog — orthogroup members derived from a duplication event since speciation. Homeolog — paralogs derived ... There are two major violations of this assumption that cause copy number variation ...

1 Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran 2 Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany ...

Crows and ravens experienced high rates of trait evolution and speciation as they adapted to the many different ... thereby increasing beak shape variation in the Corvidae family. The scientists also ...

Mayr had written that “the process of speciation could not be understood until after the nature of species and of geographic variation had been clarified.” But, in time, Wolf had come to ...