The Bruce spanworm and the winter moth are two closely relat…

The Bruce spanworm and the winter moth are two closely related moth species, but the former flies during the day and the latter flies mainly at night. These differences contribute to the reduction of hybridization between these species. Based on this information, which statement is true?

Several closely related frog species in the genus Rana are f…

Several closely related frog species in the genus Rana are found in the forests of the southeastern United States. The species’ boundaries are maintained by reproductive barriers. Match the description with the appropriate reproductive barrier. Females of one species choose mates based on song quality; females of another species choose mates on the basis of visual display.