Bacteria like these are known as extremofile 像这样的细菌被称为嗜极生物
like the remiped, one of the most ancient of all living crustaceans. 例如桨足虫——一种最古老的甲壳动物
Structures like these in North America's Carlsbad Cavern 北美洲卡尔斯巴德溶洞中的这些构造
Like bats they use echolocation to navigate. 和蝙蝠一样 它们也利用回声定位来导航
and waits, like a patient angler. 然后像一位耐心的钓鱼者似的 等待猎物上钩