It's e because it's a long Chain of carbon and hydrogen. It helps the rate of the metabolism allowing to digest quicker in your small intestent.
Father because you inherit traits from your mother and recessive sex linked traits from your father.
Explanation:
Mealworms probably originated in the Mediterranean region, but are now present in many areas of the world as a result of human trade and colonization. The oldest archaeological records of mealworms can be traced to Bronze Age Turkey.
D. Man-Made is the answer
In this question, there are no options given to choose from. So i would answer this question based on my knowledge. The most likely cause of the observed variation is adaptation and evolution. The birds of that island adapted to the food source and then they evolved as per the requirement of the place and food source.