1. REPRODUCTION AND SEXUALITY. AN INTER-DISCIPLINARY APPROACH WITHIN 7TH GRADE (I). Authors: ŞTEFANIA UDREA, IRINA POP, ADRIANA BARNA.2. LEARNING BIOLOGY BY USING GROUPWORK STRATEGIES. AN EXPERIMENTAL STUDY WITHIN 9TH GRADE. Authors: ADRIANA BARNA, IRINA POP.3. PRELIMINARY TESTING - AN ESSENTIAL STEP IN THE BIOLOGY ACTIVE LEARNING FOR MENTALLY DISABLED PUPILS. Authors: ANA MOLOCA, IRINA POP, ADRIANA BARNA.4. COOPERATIVE LEARNING. THEORETICAL OVERVIEW AND PRACTICAL SUGGESTIONS CONCERNING BIOLOGY CLASS. Authors: IRINA POP, ADRIANA BARNA.