Research conducted by The RP Group's Multiple Measures Assessment Project (MMAP) and summarized in "Preparatory Pathways and STEM Calculus Completion: Implications of the AB 1705 Standards" found high rates of attrition along the path to calculus for students pursuing programs in Science, Technology, Engineering and Math (STEM). In this study of over 37,000 STEM students in the California Community Colleges (CCC), 70% began in a transferable, college math course below calculus, yet only 32% of those starting in one of these preparatory courses completed STEM Calculus 1 within two years. This brief provides a follow-up to the initial report with a particular focus on students in biology majors. The goal is to determine if the original report underestimated calculus completion rates for certain biology majors because their programs of study allowed for a different form of calculus. For example, even though STEM Calculus is the gateway requirement for most STEM majors, some California State University (CSU) biology programs allow for applied calculus courses, and a few permit precalculus to satisfy biology degree requirements. This brief provides a short overview of additions to the original methodology, followed by key findings that address questions about the applicability of the original research when we examine biology majors separate from other STEM majors.