BSCZZO- 202 B. Sc. II YEAR ENVIRONMENTAL BIOLOGY & ANIMAL BEHAVIOURR DEPARTMENT OF ZOOLOGY SCHOOL OF SCIENCES UTTARAKKHAND OPEN UNIVERSITY BSCZO-202 ENVIRONMENTAL BIOLOGY & ANIMAL BEHAVIOUR DEPARTMENT OF ZOOLOGY SCHOOL OF SCIENCES UTTARAKHAND OPEN UNIVERSITY Phone No. 05946-261122, 261123 Toll free No. 18001804025 Fax No. 05946-264232, E. mail
[email protected] htpp://uou.ac.in MEMBER OF THE BOARD OF STUDIES Prof. B.D.Joshi Prof. H.C.S.Bisht Retd.Prof. Department of Zoology Department of Zoology DSB Campus, Kumaun University, Gurukul Kangri University Nainital. Haridwar. Dr.N.N.Pandey Prof. H.C.Tiwari Principal Scientist, Retd. Prof. & Principal Directorate of Coldwater Fisheries (DCFR) Department of Zoology, Indian Council of Agriculture Research (ICAR) MB Govt.PG College Bhimtal (Nainital). Haldwani Nainital. Dr.Shyam S. Kunjwal Department of Zoology Uttarakhand Open University Haldwani(Nainital) PROGRAMME COORDINATOR Dr.Shyam S. Kunjwal Department of Zoology & Biotechnology School of Sciences Uttarakhand Open University Haldwani(Nainital). Unit Writer Unit no. 1. Dr.Bhawna Pant Unit: 1, 2 & 3 Assistant Professor Department of Zoology Govt.PG College Ramnagar, Uttarakhand 2. Dr.Pradeep Pandey Unit: 4 & 5 Assistant Professor Department of Zoology LSM PG College Pithoragarh 3. Dr.Shyam S. Kunjwal Unit: 6, 10 & 11 Department of Zoology School of Sciences, Uttarakhand Open University, Haldwani, Nainital 4. Dr.Sushil Bhadula Unit: 7, 8 & 9 Assistant Professor Department of Zoology Dev Sanskriti University Haridwar Uttarakhand COURSE EDITOR