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来自维基百科,自由的百科全书
体外受精(英语:External fertilization)是一种精子与卵子在雌性生物体外结合产生配子的一种受精方式。在这种受精形式下,精子可利用在水中运动的能力,游向卵子并与其结合。
以此方式繁殖的动物多为水栖或两栖动物,包括:
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