光合作用减弱导致各种植物大规模减少，进而这首先会使大规模的食草动物饿死，随后就是食肉动物。
The reduced level of photosynthesis led to a massive decline in plant life of all kinds, and this caused massive starvation first of herbivores and subsequently of carnivores.
在遥远的过去，像乳齿象这样的大型食草动物播撒着桑橙属植物的种子，在它们的粪便中，每个种子都像橙子那么大。
In the distant past, large herbivores like mastodons dispersed maclura seeds, each the size of an orange in their droppings.
有些动物以植物为食，而另一些动物又以这些食草动物为食。
Some animals feed on plants, while others feed on these herbivores.
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