Evolution theory is not a modern discovery as it appeared in early writings. Many scientists knew about the theory before Charles Darwin, but they did not have any evidence to support the theory. Some scientists in the sixth century thought evolution was occurring because of supernatural powers. The theory appeared in the works of many scientists in about the sixteenth century. Greek and medieval refers the evolution as a descriptive term for a state of nature, in which everything in nature has a certain purpose. Alfred Wallace also developed the same theory of evolution by natural selection as Charles Darwin. Both Darwin and Wallace shared credit for the discovery of the natural selection theory. The theory of evolution was an early discovery but it was noticed when it was published in Darwin’s book.
Natural selection theory states that evolutionary change occurs through the production of variation in each generation. Darwin’s theory was inspired by his voyage around the world in 1831. During his voyage, Darwin observed incredible diversity of species. One example is the finches of the Galapagos Island. The finches of the Galapagos are a group of closely related bird species, which helped Darwin discover the evolution of natural selection. He even collecte...
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...often dissected because they are similar to human embryos. All members of the phylum Chordata have common characteristics. This can be possible because we all descended from a common ancestor. Additionally, the theory shows that multi-celled organisms evolved only after the first single-celled ones.
The evolution theory is often referred to as the theory of survival of the fittest. All of the living organisms descended from a common ancestor from an ancient time. The evolution theory had already appeared in many scientists work before the mid-nineteenth century. But it became noticeable when Charles Darwin published it in his book. The theory of evolution is believed to be true by some while others believe that evolution is not a theory and it is not supported by any evidence. Research is still being conducted about the evolution theory to discover more evidence.
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