But one group embraced this change in plant life... 但有一群生物 拥抱了这种植物生态的变化
this group of ancient reptiles made a huge evolutionary step. 这群古代爬行动物 就迈出了巨大的进化步伐
another group of survivors was on the rise. 又有一群幸存者在崛起
another group of animals were undergoing their own radical change. 另一群动物正在经历巨变
They are the most abundant group of animals on Earth. 它们是地球上数量最多的动物
Especially for some of the less armored members of the group. 对于一些护甲较少的节肢动物 尤其如此
but they've also allowed a more infamous group of fish to rule the waves. 但也使另一种更恶名昭彰的鱼类 统治海洋
And one group adapted in a way never seen before. 有一群生物以前所未见的方式 适应了这种转变