Which of the following most accurately states the purpose of the passage?

Which of the following, if true, would most strengthen the author's assertion about the cause of the Lyme disease outbreak in the United States?

Which of the following best describes the organization of the passage?

Which of the following can most reasonably be concluded about the mosquito Aedes albopictus on the basis of information given in the passage?

It can be inferred from the passage that Lyme disease has become prevalent in parts of the United States because of which of the following?

According to the passage, the outbreak of dengue hemorrhagic fever in the 1950's occurred for which of the following reasons?

The passage suggests that a lack of modern sanitation would make which of the following most likely to occur?

It can be inferred from the passage that the author describes coral reef communities as paradoxical most likely for which of the following reasons?

According to the passage, which of the following is a factor that is threatening the survival of coral reef communities?

The author refers to "filter-feeding animals" (see highlighted text) in order to