19 years of teaching biology, biochemistry & biological sciences at middle, high school and college level Planned lecture according to students' level, previous knowledge, goals and targets. My teachings are student-centered, and involve students in various activities to increase their knowledge and clear their concepts Learning fundaments of biology with new developments in this era. student/s of different levels first will assess about their core knowledge than activities will plan according to their required knowledge First Recall of student's previous knowledge Biology basis and ground concepts Theories and their implementation about key pathways, theories and molecules New advancements in research and new theories