ELi5: How do some animals get enough nutrients out of eating hay or grass or a single variety of leaf for their entire lives?

Question

ELi5: How do some animals get enough nutrients out of eating hay or grass or a single variety of leaf for their entire lives?

In: 293

Answer 1

I think people forget plants are made out of the same stuff we are. Pro Tien sugar fat all the vitamins and minerals. It’s all the same.