After EAS 2440
Gateway: EAS 2440
Building the department map…
Department paths
Courses with no prerequisites inside the department that unlock the most downstream work.
The shortest canonical route from each entry point to a gateway course.
Generated from Saint Louis University’s catalog, prerequisite, and concentration data. Spotted an error? Departments can adjust labels, ordering, and notes without a code change, so contact us.
Each of these unlocks the largest share of downstream work on this map. Courses from other departments can appear here when they genuinely gate EAS coursework.
Intro tiers at the top, advanced work below; arrows point from a prerequisite to the course it unlocks. Courses from other departments appear where they gate EAS work. Click any course to see what it requires and unlocks without leaving this page; hovering lights up its neighbors. The lists on this page carry the same courses in text form.
Showing the 58 EAS and feeder courses that have prerequisite links. 68 more EAS courses have no recorded prerequisites. They are listed under Tracks below, not drawn as loose dots here.
The concentrations and majors that build on EAS, and how their requirements are structured. Expand a program to see which courses satisfy each group, then plan it in the Planner.
Major Requirements15 required · verify with the official sheet
Environmental Foundations; Environmental Science Requirements
Major Requirementschoose 1
Required Introductory Courses; Statistics Course; Additional Science Lab Courses; Complete four of the following seven combinations:; Concentrations; Note: all Concentration Biology Electives must be at the 3000 level or above. A total of 4 credits of BIOL 3970 Independent Research in Biology, BIOL 4970 Advanced Independent Research, BIOL 4980 Advanced Independent Study, and Internship courses (
All ofall required
1 course from1 required
Upper-level clusters, grouped by the gateway that opens them.
The deepest prerequisite chains in EAS. These are the routes that take the most semesters to climb.
6 courses deep, ending at EAS 4650
5 courses deep, ending at EAS 4450
3 courses deep, ending at EAS 4030
3 courses deep, ending at EAS 4415
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University Electives14 required
All EAS courses in the SLU catalog
Grade medians are for verified students. Sign in with your school email to see them.
Use your school emailNo section schedule with instructor names for EAS yet.
No clubs or organizations on record under EAS yet.
This shows once five students share their club memberships.
EAS does not run a page here yet. When it does, its events show up here and on the SLU campus feed.