Semester 2 Matthayom 3 (Grade9) SCIENCE6 SCI 23102

          genetic transmission; functioning of various systems of living things, evolution and diversity of living things 

     diverse living things in the environment; relationship between living things and the environment; relationships among living things in the eco-system; importance of natural resources, and utilization and management of natural resources at local, national and global levels; factors affecting survival of living things in various environments