Chatsworth, CA : AIMS Multimedia, c1997.
1 computer optical disc : sd., col. ; 4 3/4 in. + 1 teacher's guide (45 p. : ill. ; 28 cm.) +1 installation guide.

Teacher resource includes video exploring the host/parasitic relationships between organisms. Contains interactive quiz with video feedback and test, electronic bulletin board, glossary, and teacher management system allowing the writing, printing, and editing of quiz and test questions, video feedback selection, and student score tracking.