how does a chick breathe inside its own shell?
Posted: Tue Mar 21, 2017 10:15 am
do you know what size or shape the pores are?
does the different types of egg shells change the size of the pores or the shape?
does the size change their ability to breathe?
does the different types of egg shells change the size of the pores or the shape?
does the size change their ability to breathe?