A longstanding question in evolutionary biology is how sexual selection influences how entire genomes develop. Sexual ...

and transitions between species mark the flow of evolution. But in fact, scientists and philosophers have debated for centuries the precise definition of a species. In high school biology we are ...

Genes can be inserted into a genome through genetic engineering. Evolution - AQA Evolution is the change of inherited characteristics within a population over time through natural selection ...

Evolutionary biology is the study of this process, which can occur through mechanisms including natural selection, sexual selection and genetic drift. The 2005 finding of cells and blood vessels ...