B1 revision notes

evolutionary theory:

Darwin visited the Galapagos islands on the ship HMS Beagle, he was the ships naturalist. He made notes on the different types of plants and animals. He noticed that there was a large number of types of finches on the island and thought they were unrelated, but then studied them and realised they were closely related to each other. He developed evolutionary ideas to try and work out how the different species of finches would have come about:

an ancestral…