Ecology primarily studies the diverse interactions that occur within an ecosystem. These interactions can be amongst the organisms or between the organisms and their environment. The major areas of concern in ecology are biodiversity, habitat conservation, food webs, population ecology, etc. Ecology has various practical applications in areas like environmental science, natural resource management, city planning, etc. This book provides comprehensive insights into the field of ecology. Through this book, we attempt to further enlighten the readers about the new concepts in this field.