Proxies such as iron-speciation chemistry record the redox state of local water masses immediately above accumulating sediments. Decades of work on the behaviour of iron in marine sediments ...

A less common type of speciation, called "sympatric," occurs when a new species arises from a single population that has no geographic or physical barriers. A famous example is the Rhagoleitis ...

New piece of the puzzle increases understanding of speciation Date: February 18, 2021 Source: University of Gothenburg Summary: Speciation is important because it increases biodiversity. A new ...

Scientists discover at least 11 examples of sympatric speciation on Lord Howe Island. How does a single species divide into two new species? For decades, the prevailing idea among evolutionary ...