Question 37-40 are based on the following passage. 

    Found along the coastlines of southern Australia and New Zealand, Eudyptula minor is the smallest species of penguin on record. Due to its diminutive size, it is often called the Little Penguin, though the residents of Australia call it the Fairy Penguin and those of New Zealand prefer the name Little Blue Penguin or even just Blue Penguin. The latter names are derived from the deep blue coloring of the penguins' backs, designed to enable the penouils to better blend in with the surrounding water when viewed in the ocean from above. Their white underbellies work in a similar manner, helping camouflage the penguins from undersea carnivores, which comprise the majority of the penguins' natural predators. 

    It is fortunate that the penguins have few natural enemies, as human encroachment into their territory has taken its toll. Due to their small size, Little Penguins are easy prey not only for now-feral introduced species such as foxes and ferrets but also for companion animals such as dogs and cats. On Phillip Island, the penguins draw huge crowds of tourists on a nightly basis and many of these visitors unknowingly expose the penguins to injury by taking flash photographs, which can damage the nocturnal birds' highly sensitive eyes. Moreover, during the day the penguins have been known to hide behind everything from benches to cars, an incautious human could easily hurt or even kill one of them without even knowing. 

The primary purpose of the passage is to ....