Answer: B
Explanation:
The animals that live in tropical areas are in option B. Cougars can not live in the tropics, they live in the cold biomes. In the tropics, there are many insects, and frogs eat them. Ocelots eat the frogs, and the ocelots are eaten by parrots. The rest of the options are valid food chains, but they would not function in the area of tropics. The answer to the question is option B.