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 […]
Theory of Recapitulation | Development | Organisms | Biology
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Lamarckism Theory of Evolution (With Criticism) | Biology
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Jean Baptiste Lamarck put forth the theory of inheritance of acquired characters, which is also known as Lamarckism. It was published in ‘Philosophie Zoologique’ in the year 1809. The four propositions of Lamarckism are as follows: a. Living organisms and their parts tend to increase in size continuously due to internal forces of life. b. […]
Darwinism Theory of Evolution (With Criticism) | Biology
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In this article we will discuss about the Darwinism theory of evolution with its criticism. In 1831, Charles Darwin on a voyage on HMS Beagle for five years noted the flora, fauna and geology of the islands of the South Pacific and collected numerous living and fossil specimens. He also sailed to the Galapagos Islands […]
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