asexual造句
61. Biology To generate ( offspring ) by sexual or asexual means.
62. An asexual reproductive structure, as in yeast or a hydra, that consists of an outgrowth capable of developing into a new individual.
63. The newly developed sporophytes also released this kind of biflagellate neutral zoospores to complete asexual reproduction.
64. Reproduction: gonads are aggregations of developing gametes. Fertilization is external, producing free-living planula larvae. Asexual budding is common.
65. Accordingly gerbera is always yielded by asexual reproduction, and the traditional method is plant division propagation.
66. Nowadays, questions about detoxification, idioplasmatic degeneration and low propagation coefficient have been resolved by tissue culture for many plants propagated by asexual measure.
67. In respect of asexual propagation, both of the two species can produce viviparous plantlets.
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