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grasshopper speciesDifferent species of Chorthippus grasshopper that closely resemble each other

Where do new species come from?

... it comes to the formation of new species... Since Charles Darwin and other scientists of the 19th Century drafted the ... rapidly. For the first evolutionary biologists such as Darwin and Alfred Russell Wallace, the emergence of new ... was a process that could only be witnessed with the eyes. Darwin understood that the birds on several islands of the ...

Cepaea nemoralis: Grove Snail or Brown Lipped Snail. Dormant pair on a tree trunk in Gamlingay Wood, Cambridgeshire, England, illustrating the variation in colouration of banded morphisms.

Evolution in action: the polymorphism paradox

Darwin’s theory of evolution underpins all of biology from ... up by a phrase first coined by Herbert Spencer and used by Darwin in later editions of ‘On the Origin of Species’ ... Annual Review of Ecology and Systematics. 8: 109‐143 Darwin’s theory of evolution underpins all of biology from ...

Evolution, ape skeletons. Gibbon now shown at natural size.

Survival of the least unwell

In 1859 Charles Darwin published “ On the origin of species ”, arguably ... is, essentially, hedging its bets. Five years after Darwin published his magnum opus, Darwin's contemporary, the biologist and evolutionist Herbert ...

The Red Queen's race

Evolution Through the Looking Glass

Darwin's theory of evolution by natural selection is one of ...

Music to my ears: how language evolved

... mankind to perceive, recollect and mimic sounds. Charles Darwin, and many scholars after him, have suggested that ...

Hearts

What is the purpose of sexual reproduction ?

... are more likely to be passed on. This is the basis of Darwin's theory of evolution and the mechanism by which it ...