#1. which statement best represents how structure relates to function? a) a horse's mane is often black. b) many tropical birds can be taught to speak. c ) butterfly cocoons are often camouflaged. d) some insects live longer than others. #2. how does eye location best represent the relationship between structure and function? a) it affects how an organism interacts with others in its population. b) it determines how an organism responds to changes in the length of the day. c) it determines how much of the surroundings an organism can see d) it indicates the maximum height an organism can reach.