The evolution of the bacteria is an example of natural selection. Evolutionary trees are diagrams that show how different species have evolved from a common ancestor - an organism that lived ...

The proportion of well-adapted organisms in a population can increase over the generations by the process of evolution by natural selection.

While malaria is the best-understood example of an infectious disease that has driven human evolution ... can exploit the genetic signatures of natural selection using novel analytical methods.

The early part of the twentieth century saw evolutionary theory embattled by disagreements over Darwin's emphasis on natural selection ... an uncomfortable fit with evolution, as many scientists ...

It is one of the processes by which species change from generation to generation, and is a crucial element of the theory of evolution. A classic example of natural selection at work is the origin ...

He began contemplating while aboard HMS Beagle, but it took several years before he came up with his theory of evolution by natural selection. The finches – once they had been identified as different ...

Darwin thought that evolution took place over hundreds or ... The Grants had documented natural selection in action. While beak size is clearly related to feeding strategies, it is also related ...

Evolution Evolving ... as happened to produce modern wheat, for example. And all cells contain natural genetic-engineering kits, such as the bacterial CRISPR–Cas defence system, which ...

You can change your selection under ‘Manage Preferences ... on websites that are not owned or operated by Microsoft. For example, they're used to gather information about the pages you ...

in an attempt to gain a little more understanding of how convergent evolution works. "Phasmids (stick and leaf insects) exemplify the extraordinary power of natural selection to shape organismal ...

Get hands-on with specimens to work out for themselves why these changes occur. Explore how Charles Darwin's theory of natural selection is the mechanism behind these changes. Discover a real-life ...