The different beak shapes allow the birds to eat different things. I'd look at Darwin's finches for a better example.
It depends on what you believe. Many Evolutionists would say D. But if you believe in the Bible, then the answer is C.
The answer is the second option.
The first and fourth options do not involve fitness equipment.
While the third option includes "the heaviest weights," they are the results of "three complete workouts," not the means to a healthier lifestyle.
