Evolutionary Biology News
November 26, 2015

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updated 12:21pm EST

More Evolutionary Biology News
November 26, 2015

Nov. 18, 2015 — In the animal world, if several males mate with the same female, their sperm compete to fertilize her limited supply of eggs. Longer sperm often seem to have a competitive advantage. However, a study ... read more

Nov. 17, 2015 — Using some ancient DNA detective work, a new study has linked the culprit behind the 19th-century Irish potato famine, which was transported to Europe in the 1840s, to a fungus-like organism that ... read more

Nov. 16, 2015 — Redundancy is common in nature, for example many human genes exist in several copies. However, excessive redundancy can interfere with efficiency. Therefore, each whole genome duplication event is ... read more

Nov. 16, 2015 — Researchers have revealed how a jellyfish -- those commonplace sea pests with stinging tentacles -- have evolved over time into 'really weird' microscopic organisms, made of only a few ... read more

Nov. 16, 2015 — A new analysis of the jaw of one of the earliest known proto-mammals sheds light on efforts to accurately date the period when mammals first evolved and clarifies the mammalian family tree. The study ... read more

Nov. 16, 2015 — New research has revised the horned praying mantis group and traced the evolution of its distinctive camouflage features, suggesting that disruptive camouflage evolved twice within the ... read more

Nov. 16, 2015 — Whether you’re territorial, a girlfriend stealer, or a cross dresser, when it comes to finding a partner, scientists have discovered that for some birds it’s all in the ... read more

'Supergene' Underlies Genetic Differences, Sexual Behavior in Male Ruff

Nov. 16, 2015 — The ruff is a Eurasian shorebird that has a spectacular lekking behavior where highly ornamented males compete for females. Now two groups report that males with alternative reproductive strategies ... read more

Nov. 13, 2015 — In the 19th century, Darwin's most vocal scientific advocate was Thomas Henry Huxley, who is also remembered as a pioneer of the hypotheses that birds are living dinosaurs. He noticed several ... read more

Nov. 12, 2015 — A previously undiscovered dinosaur species showcases an evolutionary transition from an earlier duckbilled species to that group's descendants. The findings highlight how the new species of ... read more

Digging Deeper Into DNA: Efficient Method to Sequence Chloroplast Genomes

Nov. 11, 2015 — A new bioinformatics strategy provides a time- and cost-efficient method to assemble a chloroplast genome using whole-genome sequencing. In a new study, researchers extracted whole-genome sequence ... read more

Nov. 11, 2015 — They might be looking quite identical, but each of the populations of two owl species, living in the opposite hemispheres, might actually turn out to be yet another kind. This suggestion has been ... read more

Nov. 11, 2015 — Evolutionary biologists have discovered that the oldest known nectar-drinking bat fossil, Palynephyllum antimaster, was probably ... read more

Nov. 10, 2015 — Cacao trees evolved around 10 million years ago, earlier than previously believed, new research shows. Considerable genetic variation might remain to be discovered among wild cacao populations, which ... read more

Nov. 9, 2015 — Scientists have revealed new discoveries about how animal venom evolves. The research points to a 'two-speed' evolution of animal venom, showing for the first time the significant roles ... read more

Study Offers Model to Predict How Microbiomes May Respond to Change

Nov. 5, 2015 — Scientists studying microbiomes have created a framework for predicting how the composition of these complex microbial communities may respond to changing ... read more

The Astounding Genome of the Dinoflagellate

Nov. 5, 2015 — Dinoflagellates live free-floating in the ocean or symbiotically with corals, serving up -- or as -- lunch to a host of mollusks, tiny fish and coral species. But when conditions are wrong, ... read more

Nov. 5, 2015 — The vital ecosystem of bacteria in the human gut operates like a jungle, with competition between microbes helping maintain the stability necessary to keep us ... read more

Nov. 5, 2015 — Wing color patterns of butterflies perform different signalling functions, from avoiding bird predators to attracting potential mates. Such conflicting natural and sexual selection pressures may ... read more

Nov. 5, 2015 — In a finding that could change the way scientists think about bird evolution, researchers have found that the shape of bird wings is influenced more by how closely related species are to one another ... read more

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