How Birds Get Oxygen Inside Their Eggs
[https://youtu.be/w-M33PtwtM4] (YouTube link) Birds , along with mammals and everything taxonomically... ...naerobic bacteria, require oxygen to live. When a bird lays an egg, it contains everything necessary to... ..., it contains everything necessary to build a new bird -exce...
https://www.neatorama.com/2018/05/13/How-Birds-Get-Oxygen-Inside-Their-Eggs/
