Essay Write a short essay that begins with the sentence, “When Darwin was studying animals in the Galapagos Islands, he discovered 13 different species of finches, each with a different beak type and method of obtaining food.” In your essay, • explain how the finches are an example of divergence • explain how an entire population can adapt in response to a changing environment • explain how if a new food source appears in the environment, that could cause the emergence of a new species. Use all of the following vocabulary in your essay: • natural selection • genetic diversity • variation • adaptation • divergence • speciation • geographic isolation • parapatric speciation • divergence
