The answer is either A. or D.
They both had 1 ruler and they both made calendars
Ancient Egypt had pharaohs as their leaders. Similar to kings, pharaohs were picked by whoever was next in the bloodline. Pharaohs were on top of the social structure, followed by nobles and priests, soldiers, scribes, merchants, artisans, farmers and finally slaves. The pharaoh ranked above everyone else and his word was absolute. The pahraoh was the person who looked over everything. Whatever he said, people had to do.
The first box is number one.
I'm pretty sure that the Grant's research showed finches on the Galapagos Islands