史前熊的交配方式行为由于属于过程范畴,几乎难以瞬时固定下来形成化石,因此古生物学家几乎很难了解远古生物的行为特征。但事情总不是绝对的,俗话说雁过留声,发生过的事情总会留下诸多蛛丝马迹,为科学家研究远古生物的行为提供线索。这不,近期就有科学家发布了一项研究表 Because of their belonging to the category of processes, the mating behavior of prehistoric bears is almost impossible to instantaneously form and fossil. Therefore, it is almost impossible for paleontologists to understand the behavioral characteristics of ancient creatures. However, things are not always absolute. As the saying goes, “There are always many clues left over by things that have happened to provide clues for scientists to study the behavior of ancient creatures.” No, there is a recent study published by scientists