Charles Darwin's Theory of Evolution

Charles Darwin was a British scientist who came up with the idea of the theory of Evolution. He was also a botanist which would be one of the reasons what lead him towards inventing his Theory of Evolution.

Why and How?

Charles Darwin travelled to the Galapagos Island as a biologist. He travelled on a ship which was undertaking surveys of the Pacific Ocean. His voyage was to examine plants and animals on the islands through which he came up with Theory of Evolution. Charles Darwin came up with his Theory of Evolution after surveying birds on each island he went to. He saw finches but they all had different beaks, one finch had a long beak the other had a short beak and another had a dipping beak. After seeing all this Charles Darwin started thinking and so he thought why does one bird have a long beak and the other have a small beak. During his voyage on the beagle he carried on observing and found fossils and also saw consistent results for which he came up with the theory of evolution.

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His theory explained that all living things have a common ancestor. The finches he discovered had different beaks and so he came up with the conclusion that all of these finches had a common ancestor and then they all evolved from that common ancestor.

Hypothesis

Charles Darwin’s hypothesis was that every living thing has a common ancestor and that we all evolve from that common ancestor. His reason for us all evolving was that so we can adapt with the nature around us and survive. For example giraffes have long necks, according to Charles Darwin these giraffes had a common ancestor who had short necks from time to time a mutation resulted in a giraffe having a long neck. The reason being is so that, the giraffe could reach the trees better and get extra food and be more prone to stay alive and reproduce than all of the other giraffes. Eventually, the attribute would be passed down until generally most giraffes had long necks.

Evidence and proof

Jean Baptise Lamarck, who was a French naturalist, discovered his own theory before Charles Darwin discovered his Theory of Evolution. Lamarck’s theory was that organisms would pass their attribute down to their generations for example if someone was to loos their arm then their coming baby would be born without a arm and then it would get passed down the generation and then eventually you would find most people without an arm. Charles Darwin’s theory contradicted to Lamarck’s theory and so people didn’t believe in his Theory of Evolution. Also Charles Darwin lacked in evidence because he had no evidence that all the finches have a common ancestor or that all organisms have an common ancestor and so because of him not having enough evidence he lacked proof and so his theory wasn’t reliable.