00696nam a2200193Ia 4500 CTU_219439 210402s9999 xx 000 0 und d 35.60 570 B615 Biology Bob Ritter ... [et al.] Canada Nelson 1993 This text has an emphasis on natural selection and the evolutionary process that explains biodiversity. This edition has a new modular format that will allow students to take information and assimilate it before moving on to the next concepts. Biology,Sinh học Hải Trung tâm Học liệu Trường Đại học Cần Thơ