Fertilization is external, producing free-living planula larva.
体外受精,能产生自由活动的浪。
Fertilization is external, producing free-living planula larva.
体外受精,能产生自由活动的浪。
In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.
海蜇体或水母体阶段,它们通过将精子和卵于释放到水中浪体而进行有性繁殖。
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