XAMonline format is to plug content specifically into the Big Ideas, Essential Knowledge, Enduring Understanding and learning objectives. Hundreds of sample test questions can be applied to the learning objective level. Essential content is provided by XAMonline. The key concepts require thinking skills that are applicable to a wider range of content, therefore the College Board has chosen a sampling of biological areas to focus on for 2016. Multiple sample tests, mini tests, chapter questions, free responses, multiple choice formats, etc. make these tests essential study material. This the most rigorous test available on the market and required the work of multiple Ph.D.’s from the finest schools in America and abroad. There are over 94 illustrations to give additional support in your learning. This test really exceeds most entry level college courses in Biology. Therefore, the state of Florida, Texas, and Illinois will offer college credits for a score of 3.