Essay Question: Why did Charles Darwin believe that the finches he observed and collected in the Galapagos Islands shared a common ancestor?

English naturalist, Charles Darwin, believed the finches he collected and observed on the Galapagos Islands overlap a common ancestor because he found they tout ensemble greatly resembled a bird located on the Ecuadorian brink off confederation America. When Darwin initially began his journey on the Beagle, he was biased toward the widely accepted idea that every spiritedness thing on Earth was a portend creation, which remained fixed and existing as it was originally created. However, when Darwin arrived on the Galapagos Island he began to touch a flaw in this possible action. Examining and collecting the islands material existence closely and carefully he began to see uncanny similarities between the animals upon the island and the animals on the South America mainland. For example, Darwin discovered that the fossils of dead armadillos and the before recollective living armadillo population on the island had more of the same features, though the current populat ion of armadillos had certain distinctive that helped it survive in the islands environment. Using this, the finches and other animal specimens, he was struck by the idea that this animals must have migrated long ago from South America to the island, giving rise to a new and well-heeled animal population.

        Darwin was also open to leave off the finches shared a common ancestor from the written whole kit and caboodle of Charles Lyell and Thomas Malthus. tour sailing on the Beagle toward the island, he was able to read and read Charles Lyells Princeples of Geology which, discussed in great d etail, the Jean Batispe Lamarck theory of ev! olution. He believed animal structures evolved over time ascribable to obsess use or disuse, and was eventually passed through to their offspring. For example he proposed the lengthing of the giraffes neck was due in part to the trees it lived among. In assemble for it to obtain... If you want to run short a full essay, exhibition it on our website: BestEssayCheap.com

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