Читать книгу Ecology - Michael Begon - Страница 19

It is clear, then, that natural selection can force populations of plants and animals to change their character – to evolve. But none of the examples we have considered so far has involved the evolution of a new species. What, then, justifies naming two populations as different species? And what is the process – ‘speciation’ – by which two or more new species are formed from one original species?