30 scenario-based questions in which students classify harmful substances or agents as Carcinogens (agents that cause or promote cancer by damaging DNA) or Teratogens (agents that cause birth defects by disrupting fetal development). For AP Biology, anatomy/physiology, and health science courses. Use as a bell ringer, exit ticket, unit review, sub plan, homework, or test prep activity for the the cell biology, reproduction, and development unit. No more printing or correcting, in an LMS it c