Biologists new experiment may vindicate Darwin
...dern theory of evolution, was an avid proponent of sympatric speciation, the idea that a single species need not be geographically divided in order to evolve into two separate species. In the mid-20th century, however, certain vocal scientists convinced the scientific community that geographically isolating tw...Male pregnancy in seahorses may affect formation of new species
...ome seahorses likely diversify in a process called sympatric speciation, in which new species arise from a sing...(PNAS). We think theres a fairly strong case that sympatric speciation may have occurred in seahorses, said Georgia Institute of Technology Assistant Professor ...... of speciation are possible, the authors show that sympatric speciation by host shift is the simplest explanati...eating insects, another group of animals for which sympatric speciation by host shift has been reported, thus providing support for a general set of ecological c...