This book provides comprehensive insights into the field of biodiversity. It attempts to understand the multiple branches that fall under this discipline and how such concepts have practical applications. Biodiversity refers to the various species of animals, plants, insects that are present on the different ecosystems on Earth. It includes topics like species variation, genetic variation and ecosystem variation. The different types of biodiversity are terrestrial and marine. This book will give detailed information about both of the above mentioned topics along with other ones. The topics included in this text are of utmost significance and bound to provide incredible insights to readers. The textbook aims to serve as a resource guide for students and experts alike and contribute to the growth of the discipline.