Understand some of the issues that perplexed evolutionist Charles Darwin and what inspired him. The key to some of his discoveries lie in geology. The idea of the impact of gradual change would form the basis of his theory of evolution. He labored over missing evidence in his study of fossils that supported his theory that the earth was billions of years old. He also postulated that all animals of a kind come from one common ancestor: dogs, for instance, are all descendants of wolves. Unfortunately, Darwin lacked a vital component in the explanation of his theories: genetics. He recognised this fault though, and struggled constantly to question not just the ideas of others but also his own. His unceasing quest for the truth opened vital doors in our understanding the natural world.moreless
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