The hypothesis that evolutionary change of characters occurs by correlated response, i.e. a change in one character may influence change in another, such that the rate of change of the two characters is not independent. Compare mosaic evolution.
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。