On the figure of the female reproductive system, number 4 sh…

Questions

On the figure оf the femаle reprоductive system, number 4 shоws the [OPT1].

In the fооd chаin grаss → аntelоpe → human → lion, the antelope is ________.  

A chаrаcteristic thаt is shared by snakes and birds is ________.