It's possible that some kinds of adult mayflies live a day--or less! How can this be and allow mayflies to still exist as a species? Readers learn the answer to this question and more strange information about the short life cycle of a mayfly in this book. With full-color photographs and a graphic organizer with life cycle steps clearly labeled to aid understanding, the book presents science content in age-appropriate language and detail. Fun Fact boxes supplement the main content, engaging both science lovers and bug enthusiasts.