The amount of heat produced by pigs depends on their size and productivity. 猪产生的热量是由猪的体格大小和它的生产能力所决定的。
The Christmas Island red crabs moult their shells regularly during their early growth phases to match their increasing body size. 圣诞岛红蟹在生长的初期阶段定期脱壳来使之符合自己的身体大小。
Extrapolating the relationship between the length of the beak and body size from another smaller specimen being examined suggests the species could grow much bigger, Paulin said. 鲍兰说，学者过去调查另外一个体积较小的样本，并据此推断口器长度与身体大小的关系，研判这种物种的体积可能更大。
