The animal kingdom is truly magnificent. A trip to the zoo will educate and illuminate, allowing visitors to see live animals up close, and giving a brief glimpse of the research on our animal cousins. How educational is a zoo trip, really?
Some animals held in captivity are only legally allowed to be kept because of injuries, or infertility. Some animals we all think are endangered have since come back from the brink, unbeknownst to most people. It isn't always clear what an animal's natural climate is from its paddock, or how dangerous they are from seeing them in a little glass enclosure. A plaque may give you a few facts about an animal's digestive system, but how much do you really know about the inner working of a frog's guts?
Did you sleep through high school biology, or were you paying close attention? Do you know your even-toed ungulates from your run of the mill quadrupeds? Do you know animal behavior? Have you any knowledge of animal husbandry? Do you know what animals can actually change their gender in order to reproduce with the available partners? How well do you know the animal world? To know is hard, but to find out is easy. Just take this quiz.
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!