4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.
涡
是雌雄同
，生殖系统适于内受精。单起源吸（单殖纲）大多是鱼外寄生。
,雄雌同
词: monoecism4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.
涡是雌雄同，生殖系统适于内受精。单起源吸（单殖纲）大多是鱼外寄生。
：以上
句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件观点；若发现问题，欢迎向我们指正。
