CHOKE
发表于 2025-3-30 10:16:50
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失眠症
发表于 2025-3-30 13:48:27
Ovuliparity and Modes of Embryo Retention,cluding ovulation, fertilization, release from the maternal genital tract,. and hatching.. Presumed to be the result of heterochronic processes, changes in the timing and sequence of these key events makes possible the evolution of the various reproductive modalities evident among the vertebrates (T
ALIEN
发表于 2025-3-30 18:24:37
Embryonic Nutrition and Placentation,tes, a wide variety of strategies have evolved for providing embryos with the energies required during development. Energy substrates can be sequestered prior to fertilization and constitute the entire energy reserve for development, or the substrates provided prior to fertilization may be supplemen