How many chromosomes do humans have inside our nucleus?

46. There are 2 pairs of 23 chromosomes pared with another 23 chromosomes. Twenty-two of these pairs, called autosomes, look the same in both males and females. The last pair differs between males and females.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.