搜索结果: 1-1 共查到“fossil shells point”相关记录1条 . 查询时间(0.062 秒)
Drill holes in fossil shells point to bigger predators picking on small prey
Drill holes fossil shells point predators picking small prey
2017/7/21
The drill holes left in fossil shells by hunters such as snails and slugs show marine predators have grown steadily bigger and more powerful over time but stuck to picking off small prey, rather than ...