Selected articles on various aspects of biology teaching published in 1980 have been annotated in this two-part bibliography. Entries from 19 journals representing 11 different countries are presented according to a topic area classification scheme listed in the table of contents. Countries represented include: Australia; Bulgaria; Czechoslovakia; Federal Republic of Germany; France; German Democratic Republic; Great Britain; Hungary; Poland; Soviet Union; and the United States. The 15 general topic areas include: didactics of biology as a scientific discipline; history of biology; biology instruction abroad; teaching/educational objectives; biology teaching at general education schools; gnoseological, psychological, and logical foundations of biology teaching; biological notions; biology curriculum and content; didactical principles in biology teaching; methods used in biology teaching; biology instruction media; organizational forms of biology instruction; planning; achievement; biology teachers; and articles and information related to scientific biology. Each entry (numbered according to a code in the table of contents) includes author, original title (and English translation when appropriate), complete journal reference, and English abstract. Entries do not necessarily reflect all the topic and sub-topic areas included in the table of contents. (JN)