Answer:
The reason lies in the structure of the eye itself. Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than human eyes do.
Explanation:
The correct answer is,whom
I don't see any options, but if there is a "clue" that states that using words like "Finally, next, now" and so on is how you can cell that an author is using chronological order, I'd choose that one.
I sincerely hoped that helped, have a good day.