![](https://static01.nyt.com/images/2019/03/26/science/21SCI-ZIMMER1/21SCI-ZIMMER1-mediumThreeByTwo440.jpg)
Most species undergo metamorphosis, but scientists aren’t sure why the process evolved. One new theory: Metamorphosis gives animals greater access to food.
The New York Times
By CARL ZIMMER from NYT Science https://ift.tt/2UVjUNY
March 24, 2019 at 02:00PM
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