34．Life's transition from the sea to the landwas perhaps as much of an evolutionary challengeas was the genesis of life．

(特殊结构as much…as；倒装as was the genesis of life)

生命从海洋到陆地的过渡可能是一个像生命起源那样的进化挑战。

分句1：Life's transition from the sea tothe land was perhaps as much of an evolutionary challenge

分句2：as was the genesis of life

分句1是整个长句子的主句，虽然这一部分很长，但主谓宾只有一套，而且顺序是正常的

分句2是倒装句，按正当语序相当于“the genesis of lifewas as……（省略）”

1和2嵌套