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As the super-continent split up
隨著超大陸的崩解
the hot, dry world of the early dinosaurs changed into a lush, forested one.
早期恐龍生活的炎熱干旱的世界逐漸被茂密蔥郁的森林覆蓋
The world of the early primitive dinosaurs had been transformed.
原始恐龍們的世界改變了
Then, as the climate changed, a chain reaction could have started.
接著，隨著氣候的變化，開始發生一連串連鎖反應
Lush forests meant more food for plant-eaters.
茂密的森林為植食動物提供了更多的食物
If you have a environment from the plants are thriving,
如果周圍環境是茂密的植物
likewise the dinosaurs are having to adapt at exactly the same sort of rate to keep up with these changes with the plants.
那么恐龍也必須發生適應性的改變，以跟上植物變化的速度。
And it wouldn't just have effected the plant-eaters.
而且它不僅只影響了植食恐龍
As these animals are getting larger and larger that are feeding upon these plants
為了吃到植物，這些動物越長越大
there is a good chance that the predators, if they're going to keep up with the plant-eaters,
如此一來，掠食者也必須跟上植食動物進化的腳步
they have to get big as well.
它們也必須變大
In a sense we would have then had an evolutionary arms race progressing through the middle Jurassic.
從某種意義上講，整個中侏羅世都在進行一場進化“軍備競爭”
There seemed to be a direct link between climate change and the transformation of the dinosaurs.
由此看來，氣候變化似乎直接關系到恐龍的進化
It really did look like a new climate could have led to an explosion in dinosaur size and diversity.
新的氣候或許真的引發了恐龍體型與種類的大爆炸。
