Consists of an extended field trip to different ecological regions of the United States or Mexico with an emphasis on the geology, climate, flora, fauna, and culture of the area visited. Participants will be responsible for maintenance of expedition equipment and may collect and identify geological and biological specimens where appropriate. Natural History Expedition is not intended to be a substitute for those academic courses required of a major or for the teaching field in Biology. Enrollment will be limited and will require permission of the instructor. Expenses will be shared by participants. May be repeated for credit. Laboratory fee.

A general study of the biotic and abiotic components of estuarine and marine systems, with emphasis on the Gulf Coast of Texas. Weekend field trip required. Prerequisites BIOL 1360/1160 and either BIOL 2330 or BIOL 2340/2140. Corequisite: BIOL 4120 

A study of the structure, function, reproduction and biochemistry of eukaryotic cells and their organelles. Prerequisites: BIOL 3310 and CHEM 1420.

A variety of plant-derived pharmaceuticals and toxins are considered. Students explore the discovery, purification, and molecular mechanisms of plant-derived drugs. Reading primary scientific literature and writing in an appropriate style are emphasized in the course. Prerequisites: BIOL 2170, 2171, and BIOL 3310 or permission of the instructor.

A study of the mechanisms involved in the immune response. Emphasis on the structure and function of the components of the immune system, including humoral and cellular activity, complement, and hypersensitivity. Prerequisites: BIOL 2380/2180 and 3310 with a C or higher in each course.