Answer:
B. Sun -> Algae -> Shrimp -> Red drum
Explanation:
The only way for the Sun to transfer energy is through plants, which rely on sunlight for food.
D. is incorrect, because plants cannot consume other vegetation.
A virus, because it has a non-cellular structure.
The salmon will not starve as its prey increased.
The smelt is not the predator of the alewife.
The answer is D.
The answer I believe is A EDIT: I changed my answer sorry for any confusion. It is A because glucose is also stored away to be used as energy later on when needed.
