单选题 The passage provides an answer to which of the following questions?
  • (A) What is the explanation for the phenomenon of bioluminescence in marine life?
  • (B) Does the phenomenon of plankton bioluminescence have any practical applications?
  • (C) Why do only certain specimens of marine life exhibit the phenomenon of bioluminescence?
  • (D) How does underwater bioluminescence differ from atmospheric bioluminescence?
  • (E) What are the steps that take place as an individual microorganism becomes bioluminescent?


【正确答案】 B
【答案解析】As the previous answer makes clear, the phenomenon of plankton bioluminescence does have practical applications. It is a valuable tool for fisheries interested in increasing their catch of fish that prey on plankton.