How does life work? Well, it’s complicated. However, the purpose of biology is to organize and make sense of life, its existence, its tenacity, and its success on the Earth. Biology makes the complicated nature of living things understandable. At Course Hacker, we want our students to learn about biology with ease. This begins with a good foundation on purpose of biology, its methods of analysis, and its core principles. Once this is foundation is formed in mind, the student will understand how evolution and genetics explains the existence of all the life-forms on Earth as well as the human body.