能胎生的青蛙□丁建民人们所知道的青蛙，其生育过程是，雌雄成蛙交配时，雌蛙将卵排在体外受精。受精的卵散落于水中，然后脱化出小蝌蚪，由蝌蚪变成幼蛙，逐渐长成大蛙。然而，在澳大利亚却有一种胎生的青蛙。此种青蛙交配时卵先在体外受精，散落于水中，紧接着雌蛙把受... Can be born frog □ Ding Jianmin As we all know frogs, the process of their birth is, male and female frog mate, the female frog eggs in vitro fertilization. Fertilized eggs scattered in the water, and then desalination of small tadpoles, from tadpoles into frogs, and gradually grow into a large frog. However, there is a viviparous frog in Australia. The eggs of the frog when mating first in vitro fertilization, scattered in the water, followed by the female frog by ...