2.Why do marsupials give birth to underdeveloped young, only to nurture them in a pouch? What possible advantages does this set-up provide for a marsupials: The only possible thing I could think of is that they can monitor the baby …show more content…
Why are mammals considered to be Amniotes, given that most mammals do not lay eggs? What structures do mammals have that are the same, or comparable to an amniotic egg: Even though the “ egg “ is inside the mother the structure still remains the same. There is still a chorion and most of the things you would find in a regular egg. However the major piece in the puzzle that separates an egg from giving birth is the placenta. The placenta is a large piece of tissue that is made up of two parts, the fetal placenta and the maternal placenta. These two parts provide a link between the mother and child by filtering out anything that would be unsuitable for a baby to