Chapter. 4 Fundamentals of BiologyContents The Ingredients of Life Ⅰ. Living Machinery Ⅱ. ... Salinity Diffusion is the movement of ions and molecules from areas of high concentration to areas of ... Levels of OrganizationThe basic structural unit of life is the cell.
Biol Psychiatry 2003; 54: 1307-13099. ... medications.A fundamental question is why there is such a high comorbidity between ADHD and substance ... Annual Meeting of the American Academy of Child and Adolescent Psychiatry.