This book provides an overview of current knowledge and discusses some of the unanswered questions at the forefront of research in biodiversity. Every ecosystem is an intricate organization of cautiously mixed life forms; a dynamic and primarily sensible system. Hence, their progressive decline may speed up climate change and vice versa, influencing flora and fauna composition and distribution, resulting in the loss of biodiversity. The effects of climate change are the primary issues covered in this book. It presents varied case studies focused on biodiversity evaluations and necessities in several ecosystems, analyzing the current life situation of many life forms and covering various biogeographic zones of the world.