Heliotrophism is the answer to your question.
There isn't a single molecule which is metabolized to produce energy, since any organic compounds such as sugars, fats, or proteins may be used. However, the most common one is glucose sugar.
What followings ? You have no options for us to pick from.
Answer: All of the finches share common ancestors
Explanation:
The child contains or is able to recieve both type a and b. the child obtained this from her parents.