![]() ![]() In due course of time, the anatomy of the birds were modified naturally as an adaptation to the prevailing conditions. He assumed that the Galápagos species might have evolved from the species found in South America.Īccording to him, the original species of Finches, after arriving at the islands were dispersed in varied environmental conditions. Contrary to this, he observed only one species of Finches in South America. This difference in the beak was related to the foods available in that particular region. In the study, he identified varied species of Finches that differed in their beak shape and size. He noticed that birds inhabiting different islands had slight difference in their features. ![]() It was his study on birds in the Galápagos Islands (eastern Pacific Ocean) that made him realize the basic concept of evolution. Darwin’s TheoryĬharles Darwin conducted extensive research on plants and animals in order to study the process of evolution. It was in the 19th century that Charles Darwin put forth the theory of Natural Selection that is widely accepted by scientists and the general public. However, in those times there were no scientific evidence to prove the concept of evolution. Prior to Charles Darwin, there were many scientists who claimed that a species is evolved from another species or ancestor. Darwin’s theory of natural selection is an important landmark in the evolutionary process and the origin of species.
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