主要由于自然选择的结果，生物体群经历了阶段性的变化，使后代在形态和生理上都与它们的祖先有所不同的理论。
The theory that groups of organisms change with passage of time, mainly as a result of natural selection, so that descendants differ morphologically and physiologically from their ancestors.
合胞体在形态上和生理上的变化可以认为是SCN直接诱导大豆基因表达的结果。
The morphological and physiological change of syncytium is considered to be the result of soybean gene expression induced by SCN directly.
在自然选择压力空间变化的作用下，广布种的形态、生理和生活史特征往往在不同地区的种群间发生地理变异。
Due to spatial variation of selection regime, morphological, physiological and life history traits of widely-distributed species may vary genetically among geographic populations.
合胞体在形态上和生理上的变化是SCN直接诱导大豆基因表达的结果。
The morphological and physiological changes of syncytium are considered to be the results of soybean gene expression induced by SCN directly.
概述了绿芦笋采后在感官形态、生理生化和营养成分等方面的变化情况以及采后贮藏的主要病害情况。
The changes of sensory state, physiology and biochemistry, nutritional components and disease of postharvest asparagus were described in the paper.
长江鱼类的早期发育是一个在形态、生理、行为等方面不断变化的过程。
Early ontogeny is a dynamic process including the changes of morphology, physiology, behavior, etc, but the more common changes should be the regular transition of nutrition source.
长江鱼类的早期发育是一个在形态、生理、行为等方面不断变化的过程。
Early ontogeny is a dynamic process including the changes of morphology, physiology, behavior, etc, but the more common changes should be the regular transition of nutrition source.
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