The Biology greenhouse facility encompasses 6626 sq. ft under glass of which approximately 90% is occupied by plants. The "Morrill" house is a semicircular unit attached to the south end of the Morrill Science Center. A glass tunnel leads to four identical ranges, numbered 1 to 4, that are divided into East and West sections. The "Clark" house is located about 100 feet away from Morrill and is attached to Clark Hall.