Bats use echolocation to find prey by emitting high-pitched…

Bats use echolocation to find prey by emitting high-pitched bursts of sound and analyzing the reflection. Scientists studying a population of bats in a forest observed that their population size had declined in the years following the completion of a nearby highway. Based on the information above, which of the following best explains how noise pollution from the highway has affected the size of the bat population?

  The graph shows the worldwide catch of orange roughy, a ty…

  The graph shows the worldwide catch of orange roughy, a type of wild caught fish, in tons, from 1977 to 2011. Based on the data in the graph, which of the following fishing practice solutions would best promote the sustainability of the orange roughy population?