Comparative biology and morphology of invertebrates. Laboratory work emphasizes structures and functions. Emphasizes annelids and related worms, mollusks, and arthropods. Cannot be taken if credit received for either FHL 430/BIOL 430 or FHL 432/BIOL 432.

Registration restrictions: BIOL majors only Period 1

Major requirements: Biodiversity elective, Other marine biology elective, 400-level elective, Lab elective

Minor requirements: Biology/Friday Harbor Labs elective