Ms. Randleman's students use a unique software program in her biology class. The program allows students to read about more global topics in biology as well as click on links to get more detailed information about specific subtopics of interest within the field. Students do not need to click on all links and they may click on links in any order. Which term below best describes the software program that Ms. Randleman's students use?

a. Hypermedia
b. Computer-based instruction
c. Intelligent tutoring system
c. Discovery learning