I believe that it is B however, I'm not positive.
Can't see it so I can't help
Answer:
1. Ecologists call this one-way flow of matter and energy from a producer to a primary, then to secondary, and perhaps to a tertiary consumer, a food chain. ... ~ Single food chains do not show all the feeding relationships in ecosystems. The food web shows all the organisms at each feeding level or trophic level.
2. Energy flows through an ecosystem in one direction: from producer to primary consumer to secondary consumer to higher consumers. A biomass pyramid provides a picture of the feeding and nergy relationships within a food web and the direction of the flow of energy.
Explanation:
Answer: Im not sure but i think its A
Explanation: i did reasarch on the web and a lot of sources said that they wanted to make a big assult on japanese wanted to assult directly. and by looking at the made they can also use the ocral refs but they have 2 locations that can attack derictly if they wish to do so. so i think its a or B because capturing surrunding islands would take too long pluse they can be renforced with the main and so to kill 2 birds with one shot i think they would attack directly. plz let me know if i was right or wring