Answer the following question given this paragraph: The placenta permits a long period of fetal growth in the uterus. As a result, the fetus can become large and mature before birth. This increases its chances of surviving. Q: What allows for a large and mature fetus before birth, resulting from a long period of fetal growth in the uterus? Choices: - the vagina - the cervix - the ovaries - the placenta A:
Answer:
the placenta