Victory for the ACT Student Text 15e

342 • S CIENCE

DIRECTIONS: Each passage below is followed by several items. After reading a passage, choose the best answer to each item. You may refer to the passages as often as necessary. You are NOT permitted the use of a calculator. This section contains additional Science items for further practice. Answers begin on page 442. Passage I The graph of the thin line below shows the hearing sensitivity of female moths. The auditory characteristics of certain sounds important to moth survival are also included. The Cambridge Edge When a graph shows multiple lines or curves at once, it can be helpful to think about how these different lines interact. Spend a few seconds noting trends the lines share, where they cross, and what this might mean. This can help you quickly answer questions that ask about interactions between different characteristics, such as in items #3, 4, and 5. 1. According to the graph, female moths are most sensitive to sounds between: A. 0 and 500 hertz. B. 500 and 1,500 hertz. C. 2,000 and 2,500 hertz. D. 3,500 and 5,000 hertz.