Thomas Jefferson's site says, "You need not complete all prerequisites before you apply, but the majority should be completed before an admissions decision can be made. All prerequisites must be completed before you enter the program." So I think you're fine having only Anthro left. Most schools that I've looked at have similar policies; some have a specific number that are allowed to be incomplete and some are more vague, but I don't think I've seen any that say every one must be complete by the time your application is reviewed.
Have you received their supplemental app yet? I haven't and I've completed the prereqs so I'm hoping they just haven't really started the process yet.