The answer is hydrogen bond between the complementary strands.
Answer: the beaks of the finches are adapted to the way the bird usually gets food. :) good luck!
To test for side effects and rare effects (the bigger the sample size, the more likely that wired things may occur)
Its either a or d
a because if someone takes a photo of the wings they could see how the wings work
or
d because then the person could see the colors in the pictures
