Answer:
DD TT
Explanation:
They are the same and capital
The stomach is an example of an organ. The mitochondria N is an example of an organelle. The mushroom and the bacterium are examples of organisms.
I think the correct answer would be A. The yolk sac becomes the placenta. It is membranous sac that is attached to the embryo. It provides all the nutrition and the blood cells needed by the embryo. It is also called the umbilical vesicle.