フィジーのアギトアリ属に観察される下顎の長さの種 (IMAGE) Okinawa Institute of Science and Technology (OIST) Graduate University Caption フィジーのアギトアリは、その頭部の大きさに比較して、下顎長が極端に多様化している。左の写真は下顎が短い種で、右の写真は下顎が長く発達した種。 Credit OIST Usage Restrictions Credit as given License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.