STEM jobs are careers for the future. When you work in an animal related field, the possibilities for STEM are endless. From the zookeeper who looks after the animals and maintains the daily operations of the zoo, to the veterinarian who gives shots and performs surgery on injured animals, to the engineer who designs better cages or habitats for animals, all these wonderful careers and more are explained in this book. It also details the different degrees it takes to obtain these jobs and what each of these people do. This book will allow students to realize that small changes in one part of a system might cause large changes in another part.