Handouts

Our collection of 21 handouts totaling 400+ pages closely follows the official USABO syllabus and covers the major topics that show up on the exam. For your convenience, we have divided our handouts into 6 categories: cell biology, genetics & evolution, plant biology, biosystematics, animal anatomy, and ecology. Our handouts outline the important concepts you should know to perform well at the USABO open and semifinal exams.