Answer:
The correct answer to the question: Why are the beak sizes and shapes of Darwin´s finches different?, would be: C: They adapted to the type of food that was available.
Explanation:
Darwin´s finches, birds that were found inhabiting Galapagos and Cocos Islands, are the best representation of Darwins theory of evolution as a response to genetic adaptation and change given the stress and influence of the environment. This discovery was made on Darwin´s 206th anniversary and it was published by scientists from Princeton and Uppsala University in Nature. Basically, what scientist found was that all finches had a common ancestor which had arrived in Galapagos 2 million years before. However, given the food sources available, this one bird started to evolve, and its offspring began to display differing sizes in parts of their bodies, including their beaks, in order to adapt to these food sources. That is why the answer is C.
