<p>Well when I looked at these reqs, I thought they were all required since there is no “or”. However, I am not sure because like you, I’m a pre-freshman. Maybe someone on this forum will be able to clarify further. If you want to know what these numbers mean, here is another link (kindly provided by my friend):</p>
<p>[Biology</a> Courses](<a href=“http://www.nslc.wustl.edu/courses/courses.html]Biology”>http://www.nslc.wustl.edu/courses/courses.html)</p>