This concise book on Environmental Science-Ecology & Biodiversity is specially developed for Candidate under Graduate and Post Graduate Students. The Book is also equally useful for the NTA-UGC NET JRF/SET/SLET (PAPER 2) and State & Central Services Competitive Examination.Based on the latest pattern and syllabus, the book will prove useful for the study, practice and during precious moments before the exam especially in Ecology and Biodiversity