CER diversity of life pre write
What environmental pressure is selecting for the variation seen in the population above?
(what is forcing the change in the birds beaks?)
![CER diversity of life pre writeWhat environmental pressure is selecting for the variation seen in the population abovewhat is forcing the change in the birds be class=](https://us-static.z-dn.net/files/d5a/b1c5811a58dc1a20591e6645a0a826a4.jpg)