To all the people who have ALREADY TAKEN THE DAT and are willing to provide some tips and helpful input regarding the Biology Section. I have just completed the entire Kaplan Blue Book with respect to the biology section, as well I have supplemented it with Cliff's AP Biology. Completely done, don't know it down to the hormone, but I know it really well since its mostly all review. Referring to the Syllabus they provided on the website http://www.ada.org/prof/ed/testing/dat/dat_test_specifications.pdf. Now, I have already heard that Kaplan's Blue book is lacking, I already supplemented with Cliff's AP bio. Evidently, a few topics were NOT covered in either of my biology materials. 1. Cell and Molecular Biology - A. Origin of Life (quite vague) 3. Structure and Function of Systems - A. Integumentary, K. Reproductive Everything else seems to be covered, however I am not sure if its sufficient. Will those who already took the DAT please shead some light on which portions (referring SPECIFICALLY to the outline above) they were able/would have been able to have more than sufficient preparation for the biology section had they known in advance. Also, as biology has been tested more conceptually over the years, I am still wondering how much detail is required from this studying. Any examples of the areas (not questions specifically) that caught you off-guard would be great! Thanks a lot.