Recapitulation is a bold and influential idea that is particularly associated with Ernst Haeckel though many other biologists also supported it in the nineteenth and early twentieth centuries. According to the theory of recapitulation, the stages of an organism’s development correspond to the species’ phylogenetic history- in a phrase, “ontogeny recapitulates phylogeny.” Each stage in development corresponds to (that is, [...]
Evolution is not progress. The popular notion that evolution can be represented as a series of improvements from simple cells, through more complex life forms, to humans (the pinnacle of evolution), can be traced to the concept of the scale of nature. This view is incorrect. All species have descended from a common ancestor. As time went on, different lineages [...]
Here is an essay on ‘Evolutionary Theory’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Evolutionary Theory’ especially written for school and college students. Essay # 1. Introduction to Evolutionary Theory: Biology came of age as a science when Charles Darwin published “On the Origin of Species.” But, the idea of evolution wasn’t new [...]