Answer:
The correct answer is option B) "beaks, finches".
Step-by-step explanation:
Charles Darwin celebrated study at Galapagos that lead to the premises of 'The Theory of Evolution by Natural Selection' was performed on finches. Particularly, Darwin studied the differences among the beaks of the finches from island to island. He noted that the beaks shapes and sizes were different according to the finches' diet, which leads him to theorize about finches adaptation and evolution.