As a teacher of biology for 32 years at high school, I've been preparing my teaching materials from the viewpoint of environmental education . In 1989,I started my research as on Caudates ( mainly th…続きを見る
1. Introduction Twenty years ago, my colleague brought to my biology laboratory a cluster of strange-looking banana shaped egg sacs from the paddy fields. In those days, I did not really like walk…続きを見る