Hints: stockpile caterpillar

But what's even more amazing to me is that although we've changed so little in so many thousands of years, each of us changes so much in just one lifetime. We tend to think of growing up as just getting older and bigger. But actually as we make our way through life, our bodies change much more significantly than we realize. In fact, we change just as dramatically as a caterpillar. A caterpillar is an eating machine and that's just what it needs to be to stockpile the energy it will need to reproduce. Yet, to meet a suitable mate, it may have to travel many miles and it's hardly equipped for that. But evolution has provided the caterpillar with a solution. One creature is recycled into another.

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