The amniotic eggs could overcome wastes and breathe underwater normally. this comes to them naturally as they body grows with time.
So the answer is B. Respiration.
The amniotic eggs also has structures for <em>respiration </em>and for storing waste.
The answer would be B i believe<span>(a protease) begins the chemical digestion of protein</span>
Erosion, deposition, erosion and erosion all of the answers ar in oder to the picture