Definition:The tendency of unrelated animals and plants to evolve superficially similarcharacteristics under similar environmental conditions.趨同qū tóng由于生活習(xí)性或環(huán)境相似,導(dǎo)致親緣關(guān)系較遠的生物獲得形態(tài)相似或功能相同的特征,如翼龍、鳥類和蝙蝠的翅膀......(本文共 572 字) [閱讀本文] >>