The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.
生小孢子囊银杏
个体发生,表明银杏
小孢子
有
质,
生小孢子囊银杏可能是一种奇特
嵌合体。
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Alternatively, the ontogenetic hypothesis of REM sleep, which is based on the theory of how organisms develop from their earliest stages into adults, proposes that REM sleep plays an essential role in the development of the infant brain.
另外,快速眼动睡眠个
假说基于
物
如何从最早阶段
育成成人
理论,提出快速眼动睡眠在婴儿大脑
育中
挥着重要作用。
He who believes that some ancient form was transformed suddenly through an internal force or tendency into, for instance, one furnished with wings, will be almost compelled to assume, in opposition to all analogy, that many individuals varied simultaneously.
谁相信某种古老形式是通过一种内在
力量或倾向突然转变为, 例如,一个带有翅膀
人,他将几乎被迫假设, 与所有类比相反, 许
个
同时
变化。