科学家研究了蜥蜴生长过程中四肢与躯干的异速比例变化。

Scientists studied the ___allometric changes in limb-to-body proportions during lizard growth.

科学家使用异速生长数据来比较儿童头部与身体的发育比例。

Scientists used ___allometric data to compare the growth ratios of children's heads to their bodies.