A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar to deer or antelope, with necks of ordinary length.

Note that this change was not due to pollution making the moths darker. The dark variety had always existed in small numbers, but only had a selective advantage when the selection pressure changed.

This is because natural selection acts to increase the prevalence of highly advantageous alleles, over time generating common resistance alleles of especially strong effect. For example ...

This helps the species to be more successful in its habitat. It’s natural selection at work. In some examples of convergent evolution, species evolve the same solution to a problem but take a ...

Linking questions span different topics. In linking questions, it is important that you plan your answer and not just rush into it. After all, you would plan an essay or short story before starting.

Many people are. In fact, the ability to digest lactose may be an example of adaptive evolution in the human lineage. Although the study of natural selection in humans is still in an early stage ...

The neo-Darwinist attachment to Natural Selection has arrested the development of science for too long.

The phrase "survival of the fittest" functions principally in evolutionary theory to describe the biological concept of natural selection. English naturalist, geologist, and biologist Charles ...

He revolutionaised the field of natural history from his theory of natural selection. His book named "The Origins of Species" was published in 1859, where he argued that all present-day life forms ...

Multilevel selection is a controversial concept originally proposed by Darwin. A new study found evidence for it in the wild in a group of marmots scientists have been observing for more than 60 years ...

"Horrific Behaviour Incredible Hulk 368 'Natural Selection'" delves into one of the most intense and morally complex issues of the Incredible Hulk comic series. In this issue, the Hulk faces ...

In natural selection, genetic mutations that are beneficial to an individual’s survival are passed on through reproduction. This results in a new generation of organisms that are more likely to ...