4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.
涡虫
同体的，生殖系统适于体内受
。单起源的吸虫（单殖纲）大多鱼的外
生虫。
4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.
涡虫同体的，生殖系统适于体内受。单起源的吸虫（单殖纲）大多鱼的外生虫。
Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.
摘要塔形马蹄螺为异体，其性生殖系统主要由巢和输
成，没有交接器，也没有其他的附属腺体。
声明：以上例句、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的观点；若发现问题，欢迎向我们指正。
