The main purpose of the study reported in this article was: A: to discover why certain animals use harmful odors while others form groups B: to investigate the difference between meerkats and skunks C: to investigate the differences between nocturnal and diurnal animals D: to discover the reason meerkats form social groups

Why is social interaction between bats so difficult to study according to Dr. Kate Barlow A: Because bats are sneaky. B: Because bats have diurnal habits. C: Because bats are small and have nightly habits. D: Because bats can listen out for competitors’ feeding buzzes.