Biology is a rapidly developing experimental subject. In the 21st century, biology has become a subject closely related to our lives. Therefore, cultivating citizens with high biological science literacy in the 21st century is an important task of basic biology education. The content of basic life sciences involves cell biology, animal structure and function, plant structure and function, heredity and variation, biodiversity, ecology, etc. It also includes some basic biological experiments, which is a basic biological content that non-biology majors must understand. This book is a reference book for undergraduate teacher education students majoring in non-biological sciences, and can also be used as a reference book for primary school science teachers in the field of life sciences.