The theory that some stages of evolution are repeated in the development of an individual organism, i.e. that phylogeny is repeated in ontogeny. It was proposed by the German biologist Ernst Haeckel (1834–1919). See also acceleration.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。