Identify the nutrient a meal of lentils and carrots is most likely to contain in significant amounts.

a. vitamin a
b. fats
c. vitamin b12
d. water

By 2 weeks after fertilization the morula has implanted into the uterine lining and transforms into a(n) . this time is when the , or the organ that will provide nourishment to the fetus by exchanging nutrients and waste products, begins to develop.